I got interested in this--well, I got interested in this as a developmental psychologist watching my own children laugh and trying to figure out what it is that made them laugh.

我对笑感兴趣…,身为一个长成心理学家,当我看到我孩子笑时，我就对这个议题感兴趣了,我想弄明白是什么令他们笑的。

耶鲁公开课 - 心理学导论课程节选

And what Festinger was interested in was the idea that what happens when people experience an inconsistency in their heads.

令Festinger感兴趣的是,当人们心理活动,产生不一致时，会怎么样。

耶鲁公开课 - 心理学导论课程节选