{"id":3329,"date":"2026-03-11T13:07:04","date_gmt":"2026-03-11T04:07:04","guid":{"rendered":"https:\/\/admin.shotosha.com\/english-words\/efficiency\/"},"modified":"2026-04-11T22:08:22","modified_gmt":"2026-04-11T13:08:22","slug":"efficiency","status":"publish","type":"post","link":"https:\/\/admin.shotosha.com\/english-words\/efficiency\/","title":{"rendered":"efficiency \u306e\u610f\u5473\u30fb\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8\u30fb\u4f8b\u6587\uff5cVENN4000\u82f1\u5358\u8a9e"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"DefinedTerm\",\n    \"name\": \"efficiency\",\n    \"description\": \"\u7121\u99c4\u306a\u304f\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u529b\",\n    \"inDefinedTermSet\": {\n      \"@type\": \"DefinedTermSet\",\n      \"name\": \"VENN4000\",\n      \"url\": \"https:\/\/admin.shotosha.com\/english-words\/\"\n    }\n  }<\/script>\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"><link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin><link href=\"https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;500;700;900&amp;display=swap\" rel=\"stylesheet\">\n<link rel=\"stylesheet\" href=\"https:\/\/admin.shotosha.com\/english-words\/wp-content\/uploads\/sites\/22\/2026\/04\/shared.css\">\n<p><!-- \u30d1\u30f3\u304f\u305a\u30ca\u30d3 --><\/p>\n<nav class=\"breadcrumb\">\n<a target=\"_blank\" href=\"\/english-words\/\">VENN4000<\/a> &gt;<br \/>\n      efficiency<br \/>\n    <\/nav>\n<div class=\"article-card\">\n<!-- \u30d8\u30c3\u30c0\u30fc --><\/p>\n<header class=\"word-header\">\n<h1 id=\"i-0\">efficiency<\/h1>\n<div class=\"pronunciation\">\n<span class=\"pronunciation-text\">\/\u026af\u00ed\u0283\u0259nsi\/<\/span><br \/>\n<button aria-label=\"\u767a\u97f3\u3092\u805e\u304f\" class=\"speak-btn\" onclick=\"speakWord('efficiency')\">\ud83d\udd0a<\/button>\n<\/div>\n<div class=\"word-summary\">\n<span class=\"pos-tag\">\u3010\u540d\u3011<\/span>\u52b9\u7387\u3001\u80fd\u7387<\/p><\/div>\n<p><!-- \u91cd\u8981\u5ea6\u30d0\u30ed\u30e1\u30fc\u30bf\u30fc --><\/p>\n<div class=\"importance-meter\">\n<div class=\"meter-label\">\u91cd\u8981\u5ea6<\/div>\n<div class=\"meter-bar-container\">\n<div class=\"meter-bar\" style=\"width: 13.0%;\">\n<span class=\"meter-value\">3\/23<\/span>\n<\/div>\n<\/div>\n<div class=\"meter-detail\" onclick=\"this.querySelector('.meter-detail-text').classList.toggle('show')\">\n<span class=\"meter-detail-toggle\">\u24d8 \u91cd\u8981\u5ea6\u3068\u306f<\/span><br \/>\n<span class=\"meter-detail-text\">\u677e\u6fe4\u820e\u304c\u5927\u5b66\u53d7\u9a13\u306e\u4e3b\u8981\u82f1\u5358\u8a9e\u5e3323\u518a\u306e\u898b\u51fa\u3057\u8a9e\u3092\u8abf\u67fb\u3057\u3001\u63b2\u8f09\u518a\u6570\u3092\u3082\u3068\u306b\u7b97\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5358\u8a9e\u306f3\u518a\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span>\n<\/div>\n<\/div>\n<\/header>\n<p><!-- \u76ee\u6b21 --><\/p>\n<nav class=\"toc\">\n<div class=\"toc-title\">CONTENTS<\/div>\n<ol>\n<li><a target=\"_blank\" href=\"#core-image\">\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8<\/a><\/li>\n<li><a target=\"_blank\" href=\"#meanings\">\u610f\u5473\u4e00\u89a7<\/a><\/li>\n<li><a target=\"_blank\" href=\"#examples\">\u4f8b\u6587<\/a><\/li>\n<li><a target=\"_blank\" href=\"#pitfalls\">\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30fb\u6ce8\u610f\u70b9<\/a><\/li>\n<li><a target=\"_blank\" href=\"#synonyms\">\u985e\u7fa9\u8a9e\u30fb\u5bfe\u7fa9\u8a9e<\/a><\/li>\n<li><a target=\"_blank\" href=\"#derivatives\">\u6d3e\u751f\u8a9e\u30fb\u95a2\u9023\u8a9e<\/a><\/li>\n<li><a target=\"_blank\" href=\"#collocations\">\u30b3\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3<\/a><\/li>\n<li><a target=\"_blank\" href=\"#quiz\">\u78ba\u8a8d\u30c6\u30b9\u30c8<\/a><\/li>\n<\/ol>\n<\/nav>\n<p><!-- \u2776 \u30b3\u30a2\u30a4\u30e1\u30fc\u30b8 --><\/p>\n<div class=\"section\" id=\"core-image\">\n<h2 id=\"i-1\"><span class=\"num\">1<\/span>\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8<\/h2>\n<div class=\"core-image-box\">\n<div class=\"box-title\">efficiency \u306e\u6838\u5fc3<\/div>\n<div class=\"box-content\">\n<div class=\"one-liner\">\u300c\u7121\u99c4\u306a\u304f\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u529b\u300d<\/div>\n<p>efficiency\u306e\u6839\u5e95\u306b\u3042\u308b\u30a4\u30e1\u30fc\u30b8\u306f\u300c\u6295\u5165\u3057\u305f\u30ea\u30bd\u30fc\u30b9\uff08\u6642\u9593\u30fb\u52b4\u529b\u30fb\u30b3\u30b9\u30c8\uff09\u306b\u5bfe\u3057\u3066\u3001\u3069\u308c\u3060\u3051\u591a\u304f\u306e\u6210\u679c\u3092\u5f15\u304d\u51fa\u305b\u308b\u304b\u300d\u3068\u3044\u3046\u6bd4\u7387\u611f\u899a\u3067\u3059\u3002\u8a9e\u6e90\u306f\u30e9\u30c6\u30f3\u8a9e\u306eefficientia\uff08\u6210\u3057\u9042\u3052\u308b\u529b\uff09\u3067\u3001\u300c\u4f55\u304b\u3092\u5b8c\u5168\u306b\u5916\u306b\u5411\u3051\u3066\u5b9f\u73fe\u3059\u308b\u300d\u3068\u3044\u3046\u30cb\u30e5\u30a2\u30f3\u30b9\u3092\u6301\u3061\u307e\u3059\u3002\u5358\u306b\u300c\u901f\u3044\u300d\u300c\u9811\u5f35\u308b\u300d\u3067\u306f\u306a\u304f\u3001**\u7121\u99c4\u3092\u7701\u3044\u3066\u6700\u5927\u306e\u6210\u679c\u3092\u5f97\u308b**\u3068\u3044\u3046\u5408\u7406\u6027\u30fb\u6700\u9069\u6027\u304c\u6838\u5fc3\u3067\u3059\u3002\u6a5f\u68b0\u306e\u71c3\u8cbb\uff08\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\uff09\u304b\u3089\u3001\u7d44\u7e54\u306e\u696d\u52d9\u52b9\u7387\u3001\u3055\u3089\u306b\u306f\u4eba\u9593\u306e\u52d5\u4f5c\u306e\u7121\u99c4\u306e\u306a\u3055\u307e\u3067\u3001\u300c\u30a4\u30f3\u30d7\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306e\u8cea\u300d\u3068\u3044\u3046\u540c\u3058\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8\u3067\u4e00\u8cab\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2777 \u610f\u5473\u4e00\u89a7 --><\/p>\n<div class=\"section\" id=\"meanings\">\n<h2 id=\"i-2\"><span class=\"num\">2<\/span>\u610f\u5473\u4e00\u89a7<\/h2>\n<ul class=\"meaning-list\">\n<li class=\"meaning-item\">\n<span class=\"pos-label\">\u540d\u8a5e<\/span><br \/>\n<span class=\"definition\">\u52b9\u7387\u3001\u80fd\u7387<\/span><br \/>\n<span class=\"core-connection\">\u6295\u5165\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u6210\u679c\u306e\u6bd4\u7387\u304c\u9ad8\u3044\u72b6\u614b\u3092\u6307\u3059\u3002\u300c\u52b9\u7387\u300d\u306f\u307e\u3055\u306b\u3053\u306e\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8\u306e\u76f4\u8a33\u3002<\/span>\n<\/li>\n<li class=\"meaning-item\">\n<span class=\"pos-label\">\u540d\u8a5e<\/span><br \/>\n<span class=\"definition\">\uff08\u6a5f\u68b0\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\uff09\u52b9\u7387\u3001\u6709\u52b9\u6027<\/span><br \/>\n<span class=\"core-connection\">\u30a8\u30f3\u30b8\u30f3\u3084\u592a\u967d\u5149\u30d1\u30cd\u30eb\u306a\u3069\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5909\u63db\u7387\u30fb\u5229\u7528\u7387\u3092\u8868\u3059\u5de5\u5b66\u30fb\u7269\u7406\u7684\u306a\u6587\u8108\u3067\u3082\u4f7f\u308f\u308c\u308b\u3002\u7121\u99c4\u306a\u304f\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u51fa\u529b\u306b\u5909\u3048\u308b\u6bd4\u7387\u3068\u3044\u3046\u540c\u3058\u6838\u5fc3\u304b\u3089\u6765\u3066\u3044\u308b\u3002<\/span>\n<\/li>\n<li class=\"meaning-item\">\n<span class=\"pos-label\">\u540d\u8a5e<\/span><br \/>\n<span class=\"definition\">\uff08\u4eba\u30fb\u7d44\u7e54\u306e\uff09\u6709\u80fd\u3055\u3001\u624b\u969b\u306e\u3088\u3055<\/span><br \/>\n<span class=\"core-connection\">\u4eba\u3084\u7d44\u7e54\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u7121\u99c4\u306b\u305b\u305a\u6210\u679c\u3092\u51fa\u3059\u300c\u3084\u308a\u624b\u3076\u308a\u300d\u3092\u6307\u3059\u3002\u65e5\u672c\u8a9e\u3067\u306f\u300c\u624b\u969b\u306e\u3088\u3055\u300d\u300c\u30ad\u30ec\u306e\u3042\u308b\u4ed5\u4e8b\u3076\u308a\u300d\u3068\u8a33\u3059\u3068\u30cb\u30e5\u30a2\u30f3\u30b9\u304c\u4f1d\u308f\u308b\u3053\u3068\u3082\u3042\u308b\u3002<\/span>\n<\/li>\n<\/ul>\n<\/div>\n<p><!-- \u2778 \u4f8b\u6587 --><\/p>\n<div class=\"section\" id=\"examples\">\n<h2 id=\"i-3\"><span class=\"num\">3<\/span>\u4f8b\u6587<\/h2>\n<div class=\"example-card\">\n<div class=\"example-en\">The company greatly improved its efficiency by replacing underperforming workers.<\/div>\n<div class=\"example-ja\">\u540c\u793e\u306f\u696d\u7e3e\u306e\u60aa\u3044\u52b4\u50cd\u8005\u3092\u5165\u308c\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u80fd\u7387\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u305f\u3002<\/div>\n<div class=\"example-note\">\u4eba\u6750\u3068\u3044\u3046\u30ea\u30bd\u30fc\u30b9\u3092\u6700\u9069\u5316\u3057\u3001\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u9ad8\u3081\u308b\u6587\u8108<\/div>\n<\/div>\n<div class=\"example-card\">\n<div class=\"example-en\">The new solar panels have an energy conversion efficiency of over 25%.<\/div>\n<div class=\"example-ja\">\u65b0\u3057\u3044\u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u5909\u63db\u52b9\u7387\u306f25%\u3092\u8d85\u3048\u308b\u3002<\/div>\n<div class=\"example-note\">\u5de5\u5b66\u7684\u306a\u6587\u8108\u3067\u306f\u300c\u5909\u63db\u52b9\u7387\u300d\u3068\u8a33\u3059\u3068\u81ea\u7136<\/div>\n<\/div>\n<div class=\"example-card\">\n<div class=\"example-en\">She handled the crisis with remarkable efficiency, calming everyone down in minutes.<\/div>\n<div class=\"example-ja\">\u5f7c\u5973\u306f\u5371\u6a5f\u3092\u898b\u4e8b\u306a\u624b\u969b\u3067\u3055\u3070\u304d\u3001\u6570\u5206\u3067\u5168\u54e1\u3092\u843d\u3061\u7740\u304b\u305b\u305f\u3002<\/div>\n<div class=\"example-note\">\u4eba\u306e\u884c\u52d5\u306e\u300c\u7121\u99c4\u306e\u306a\u3055\u30fb\u9bae\u3084\u304b\u3055\u300d\u3092\u8868\u3059\u6587\u8108<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2779 \u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30fb\u6ce8\u610f\u70b9 --><\/p>\n<div class=\"section\" id=\"pitfalls\">\n<h2 id=\"i-4\"><span class=\"num\">4<\/span>\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30fb\u6ce8\u610f\u70b9<\/h2>\n<div class=\"pitfall-box\">\n<div class=\"box-title\">\u3053\u3053\u306b\u6ce8\u610f<\/div>\n<div class=\"box-content\">\n<p>effectiveness\u3068\u6df7\u540c\u3057\u3084\u3059\u3044\u3002efficiency\u306f\u300c\u3044\u304b\u306b\u5c11\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u3067\u6210\u679c\u3092\u51fa\u3059\u304b\uff08\u624b\u6bb5\u306e\u5408\u7406\u6027\uff09\u300d\u3001effectiveness\u306f\u300c\u3044\u304b\u306b\u76ee\u6a19\u3092\u9054\u6210\u3057\u305f\u304b\uff08\u7d50\u679c\u306e\u6709\u52b9\u6027\uff09\u300d\u3002\u2019Doing things right\u2019 \u304cefficiency\u3001\u2019Doing the right things\u2019 \u304ceffectiveness\u3068\u899a\u3048\u308b\u3068\u6574\u7406\u3057\u3084\u3059\u3044\u3002<\/p>\n<p>\u300c\u52b9\u7387\u7684\u306a\u300d\u3068\u8a00\u3044\u305f\u3044\u3068\u304d\u306befficiency\u3092\u4f7f\u3063\u3066\u3057\u307e\u3046\u8aa4\u308a\u3002\u5f62\u5bb9\u8a5e\u306fefficient\u3092\u4f7f\u3046\u3053\u3068\uff08\u4f8b\uff1aan efficient system\uff09\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \u277a \u985e\u7fa9\u8a9e\u30fb\u5bfe\u7fa9\u8a9e --><\/p>\n<div class=\"section\" id=\"synonyms\">\n<h2 id=\"i-5\"><span class=\"num\">5<\/span>\u985e\u7fa9\u8a9e\u30fb\u5bfe\u7fa9\u8a9e<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u985e\u7fa9\u8a9e<\/th>\n<th>\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8\u306e\u9055\u3044<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>effectiveness<\/strong><\/td>\n<td>\u76ee\u6a19\u9054\u6210\u306e\u5ea6\u5408\u3044\u306b\u7126\u70b9\u3002\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u3044\u65b9\u3067\u306f\u306a\u304f\u300c\u7d50\u679c\u3068\u3057\u3066\u76ee\u7684\u3092\u679c\u305f\u3057\u305f\u304b\u300d\u3092\u554f\u3046\u3002efficiency\u306f\u624b\u6bb5\u3001effectiveness\u306f\u7d50\u679c\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong><a target=\"_blank\" href=\"\/english-words\/productivity\/\">productivity<\/a><\/strong><\/td>\n<td>\u4e00\u5b9a\u6642\u9593\u3084\u52b4\u529b\u3042\u305f\u308a\u306e\u751f\u7523\u91cf\u30fb\u6210\u679c\u91cf\u306b\u6ce8\u76ee\u3057\u305f\u8a9e\u3002efficiency\u3088\u308a\u300c\u3069\u308c\u3060\u3051\u591a\u304f\u3092\u751f\u307f\u51fa\u3057\u305f\u304b\u300d\u3068\u3044\u3046\u91cf\u7684\u5074\u9762\u304c\u5f37\u3044\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong><a target=\"_blank\" href=\"\/english-words\/proficiency\/\">proficiency<\/a><\/strong><\/td>\n<td>\u6280\u80fd\u30fb\u719f\u7df4\u5ea6\u306e\u9ad8\u3055\u3092\u6307\u3059\u8a9e\u3067\u3001\u4e3b\u306b\u4eba\u306e\u30b9\u30ad\u30eb\u306b\u4f7f\u3046\u3002efficiency\u304c\u300c\u7121\u99c4\u306e\u306a\u3055\u300d\u306a\u306e\u306b\u5bfe\u3057\u3001proficiency\u306f\u300c\u7fd2\u719f\u30fb\u4e0a\u9054\u300d\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u5bfe\u7fa9\u8a9e:<\/strong> inefficiency\u3001waste<\/p>\n<\/div>\n<p><!-- \u277b \u6d3e\u751f\u8a9e\u30fb\u95a2\u9023\u8a9e --><\/p>\n<div class=\"section\" id=\"derivatives\">\n<h2 id=\"i-6\"><span class=\"num\">6<\/span>\u6d3e\u751f\u8a9e\u30fb\u95a2\u9023\u8a9e<\/h2>\n<ul class=\"derivative-list\">\n<li class=\"derivative-item\">\n<a target=\"_blank\" href=\"\/english-words\/efficient\/\" style=\"text-decoration:none;color:inherit\"><br \/>\n<strong>efficient<\/strong><br \/>\n<span class=\"der-pos\">\u5f62\u5bb9\u8a5e<\/span><br \/>\n            \u52b9\u7387\u7684\u306a\u3001\u80fd\u7387\u7684\u306a<br \/>\n            <\/a>\n<\/li>\n<li class=\"derivative-item\">\n<strong>efficiently<\/strong><br \/>\n<span class=\"der-pos\">\u526f\u8a5e<\/span><br \/>\n            \u52b9\u7387\u3088\u304f\u3001\u80fd\u7387\u7684\u306b<\/p>\n<\/li>\n<li class=\"derivative-item\">\n<strong>inefficiency<\/strong><br \/>\n<span class=\"der-pos\">\u540d\u8a5e<\/span><br \/>\n            \u975e\u52b9\u7387\u3001\u7121\u99c4<\/p>\n<\/li>\n<li class=\"derivative-item\">\n<strong>inefficient<\/strong><br \/>\n<span class=\"der-pos\">\u5f62\u5bb9\u8a5e<\/span><br \/>\n            \u975e\u52b9\u7387\u306a\u3001\u975e\u80fd\u7387\u7684\u306a<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<p><!-- \u277c \u30b3\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3 --><\/p>\n<div class=\"section\" id=\"collocations\">\n<h2 id=\"i-7\"><span class=\"num\">7<\/span>\u30b3\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<ul class=\"collocation-list\">\n<li class=\"collocation-item\">improve efficiency\uff08\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\uff09<\/li>\n<li class=\"collocation-item\">operational efficiency\uff08\u696d\u52d9\u52b9\u7387\uff09<\/li>\n<li class=\"collocation-item\">fuel efficiency\uff08\u71c3\u8cbb\u52b9\u7387\uff09<\/li>\n<\/ul>\n<\/div>\n<p><!-- \u277d \u78ba\u8a8d\u30c6\u30b9\u30c8 --><\/p>\n<div class=\"section\" id=\"quiz\">\n<h2 id=\"i-8\"><span class=\"num\">8<\/span>\u78ba\u8a8d\u30c6\u30b9\u30c8<\/h2>\n<div class=\"quiz\">\n<div class=\"quiz-item\">\n<div class=\"quiz-question\">\u6b21\u306e\u82f1\u6587\u306e\u4e0b\u7dda\u90e8 efficiency \u306e\u610f\u5473\u3068\u3057\u3066\u6700\u3082\u81ea\u7136\u306a\u65e5\u672c\u8a9e\u8a33\u3092\u9078\u3079\u3002<\/p>\n<p>\u201cEngineers are working to increase the fuel efficiency of the new aircraft engine.\u201d<\/p>\n<p>\u2460 \u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u6599\u306e\u6709\u52b9\u6027<br \/>\u2461 \u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u8cbb\u52b9\u7387<br \/>\u2462 \u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u6599\u306e\u80fd\u7387<br \/>\u2463 \u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u6599\u7bc0\u7d04<\/div>\n<div class=\"quiz-answer\" onclick=\"this.querySelector('.answer-text').style.display='block';this.querySelector('.answer-prompt').style.display='none';\">\n<span class=\"answer-prompt\">\u25b6 \u30af\u30ea\u30c3\u30af\u3057\u3066\u89e3\u7b54\u3092\u8868\u793a<\/span><br \/>\n<span class=\"answer-text\">\u2461 \u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u8cbb\u52b9\u7387\u3002fuel efficiency\u306f\u30a8\u30f3\u30b8\u30f3\u304c\u71c3\u6599\u3068\u3044\u3046\u30ea\u30bd\u30fc\u30b9\u3092\u3069\u308c\u3060\u3051\u7121\u99c4\u306a\u304f\u63a8\u529b\uff08\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\uff09\u306b\u5909\u63db\u3067\u304d\u308b\u304b\u3092\u8868\u3059\u5de5\u5b66\u7684\u306a\u6307\u6a19\u3002\u3053\u306e\u6587\u8108\u3067\u306f\u300c\u71c3\u8cbb\u52b9\u7387\u300d\u304c\u6700\u3082\u81ea\u7136\u3002\u2460\u300c\u6709\u52b9\u6027\u300d\u306feffectiveness\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3067\u4e0d\u81ea\u7136\u3001\u2462\u300c\u71c3\u6599\u306e\u80fd\u7387\u300d\u306f\u65e5\u672c\u8a9e\u3068\u3057\u3066\u4e0d\u81ea\u7136\u3001\u2463\u306f\u610f\u8a33\u3057\u3059\u304e\u3067\u6e2c\u5b9a\u5024\u3068\u3057\u3066\u306e\u6bd4\u7387\u611f\u899a\u304c\u5931\u308f\u308c\u308b\u3002<\/span>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \/.article-card --><br \/>\n<!-- CTA\u30bb\u30af\u30b7\u30e7\u30f3 --><\/p>\n<div class=\"cta-section\">\n<div class=\"cta-inner\">\n<div class=\"cta-layout\">\n<div class=\"cta-cover\">\n<img decoding=\"async\" alt=\"VENN4000 \u66f8\u5f71\" height=\"224\" loading=\"lazy\" src=\"https:\/\/admin.shotosha.com\/english-words\/wp-content\/uploads\/sites\/22\/2026\/04\/venn4000-cover.jpg\" width=\"140\">\n<\/div>\n<div class=\"cta-text\">\n<div class=\"cta-logo\">VENN<span>4000<\/span><\/div>\n<p class=\"cta-tagline\">23\u518a\u306e\u82f1\u5358\u8a9e\u5e33\u30921\u518a\u306b\u3002<\/p>\n<p class=\"cta-body\">\u300c\u533b\u5b66\u90e8\u30fb\u4e0a\u4f4d\u6821\u5c02\u9580\u587e\uff5c\u677e\u6fe4\u820e\u300d\u304c\u3001\u5927\u5b66\u53d7\u9a13\u306e\u4e3b\u8981\u82f1\u5358\u8a9e\u5e3323\u518a\u306e\u898b\u51fa\u3057\u8a9e\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5316\u3002<br \/>2\u518a\u4ee5\u4e0a\u306b\u63b2\u8f09\u3055\u308c\u305f\u82f1\u5358\u8a9e\u3092\u91cd\u8981\u5ea6\u9806\u306b\u53ce\u9332\u3057\u305f\u3001\u533b\u5b66\u90e8\u30fb\u4e0a\u4f4d\u6821\u53d7\u9a13\u751f\u5fc5\u643a\u306e\u82f1\u5358\u8a9e\u5e33\u3067\u3059\u3002<\/p>\n<div class=\"cta-buttons\">\n<a target=\"_blank\" class=\"cta-btn cta-btn-primary\" href=\"https:\/\/amzn.to\/3NXj4Bf\" rel=\"noopener\" target=\"_blank\">Amazon\u3067\u8cfc\u5165\u3059\u308b \u2192<\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script>\n  function speakWord(word) {\n    if ('speechSynthesis' in window) {\n      var u = new SpeechSynthesisUtterance(word);\n      u.lang = 'en-US';\n      u.rate = 0.85;\n      speechSynthesis.speak(u);\n    }\n  }\n  document.querySelectorAll('.quiz-answer').forEach(function(el) {\n    el.addEventListener('click', function() {\n      this.querySelector('.answer-text').style.display = 'block';\n      this.querySelector('.answer-prompt').style.display = 'none';\n    });\n  });\n  <\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>efficiency \u306e\u30b3\u30a2\u30a4\u30e1\u30fc\u30b8\u306f\u300c\u7121\u99c4\u306a\u304f\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u529b\u300d\u3002\u610f\u5473\u30fb\u4f8b\u6587\u30fb\u8a9e\u6e90\u30fb\u985e\u7fa9\u8a9e\u3092\u5fb9\u5e95\u89e3\u8aac\u3002VENN4000 &#8211; 23\u518a\u306e\u82f1\u5358\u8a9e\u5e33\u3092\u5206\u6790\u3057\u305f\u5927\u5b66\u53d7\u9a13\u82f1\u5358\u8a9e\u5e33\u3002<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[21],"class_list":{"0":"post-3329","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-frequency-3","7":"tag-noun","8":"nothumb"},"_links":{"self":[{"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/posts\/3329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/comments?post=3329"}],"version-history":[{"count":2,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/posts\/3329\/revisions"}],"predecessor-version":[{"id":13822,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/posts\/3329\/revisions\/13822"}],"wp:attachment":[{"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/media?parent=3329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/categories?post=3329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/admin.shotosha.com\/english-words\/wp-json\/wp\/v2\/tags?post=3329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}