总效用（total utility）

总效用是代表消费者从某个市场篮子中所获得的满足水平的数字。

总效用(TU)：是指消费者在一定时间内消费一定数量商品或服务所带来的满足程度的总和。

英文定义：Total Utility (TU) is the total satisfaction a person gains from all those units of a good consumed within a set period.