noun 下载 🔗分享 边际效益,额外收益 The extra benefit received from a unit increase in the consumption of a good or service. It is calculated as the increase in total benefit divided by the increase in consumption. Examples : ""Studying for one extra hour provided diminishing marginal benefits; the first hour greatly improved my test score, but the second hour barely helped at all." " 多学习一个小时带来的边际效益在递减;第一个小时大大提高了我的考试分数,但第二个小时几乎没什么帮助。 economy business finance value utility 与AI对话词汇游戏阅读练习