Now if you smiled to-- or make three people smile, and these three people-- each one makes three other people smile.

如果你的笑-,感染了三个人，这三个人-,每个人又引起另外三人发笑。

哈佛公开课 - 幸福课课程节选

So, he had over a thousand laughter-initiated situations and here are some typical comments that initiated laughter, sometimes uproarious laughter, on the parts of people.

他收集了一千多个引起笑的情景,这里列出一些普遍能引人发笑的话，有些能让某些人轰然大笑。

耶鲁公开课 - 心理学导论课程节选

And you laughed, right, and I think you're supposed to.

读的时候你们会暗暗发笑，这是应该的。

耶鲁公开课 - 现代诗歌课程节选

You smile-- you make someone smile.

你发笑会引起别人发笑。

哈佛公开课 - 幸福课课程节选

You're smiling, Alex, already.

亚历克斯已经开始发笑了。

耶鲁公开课 - 公正课程节选

So, when you tickle somebody, under what circumstances will they laugh?

在什么情况下,你挠别人痒痒,他们会发笑

耶鲁公开课 - 心理学导论课程节选

Someone smiles-- makes you smile.

别人笑会引起你发笑。

哈佛公开课 - 幸福课课程节选