Mister Weindruch says his study is not complete and that his team will continue to observe the remaining monkeys throughout their lives.

VOA: special.2009.09.01

Can you imagine a study of relationships throughout human history ? that focuses on the average?

你能想象,对整个人类历史上的恋爱关系进行研究,并求平均值吗？

哈佛公开课 - 幸福课课程节选