The laugh track makes things a lot funnier because people laugh a lot more when they're in groups.

笑声音轨让影视内容更好笑,因为如果有一大群人在笑，人们会更容易笑。

耶鲁公开课 - 心理学导论课程节选

We don't know what makes us laugh.

我们不知道是什么引起我们笑。

耶鲁公开课 - 心理学导论课程节选