noun 下载 🔗分享 效用单位，效用值。 A theoretical unit of measure of utility, for indicating a supposed quantity of satisfaction derived from an economic transaction. Examples : "The economist suggested that, for Maria, buying a new textbook provided 50 utiles of satisfaction, while buying a coffee gave her only 10. " 经济学家认为，对玛丽亚来说，买一本新课本能带来50个效用单位的满足感，而买一杯咖啡只能带来10个效用单位。 utility economy theory value business finance 与AI对话词汇游戏阅读练习
