One group of children was a control group; the second group was taught to think back to experience that make them laugh or smile.

一群小孩组成对照组;,有人教第二组小孩回想,让他们大笑或微笑的经历。

哈佛公开课 - 幸福课课程节选

And there's always a group of people who think, yes, life on the experience machine is perfect as long as you've got the right tape playing.

而且总是会有一些人认为，没错，体验机器里的生活十全十美,只要你放对了带子。

耶鲁公开课 - 死亡课程节选

Well, there's another way to look at returns -those are the dollar-weighted returns -and the dollar-weighted returns actually do a better job of describing the experience of the group of investors that participated in these funds.

还有另一种考察回报率的参数,货币加权回报,货币加权回报实际上,是描述基金参与者收益的,一个更好的指标

耶鲁公开课 - 金融市场课程节选