But before I tell you about lab experiments let me tell you about the most famous field experiment on this idea.

但是，在此之前,让我告诉你们关于这个观点最著名的现场试验。

耶鲁公开课 - 心理学导论课程节选

Let me tell you two stories that might-- well, look, before I tell you the stories here's the other side.

让我告诉你们两个故事-,在我讲故事之前,先讲下另一面。

耶鲁公开课 - 死亡课程节选

Now, I will add, before people write letters and stuff, this is the clean version.

在你们做笔记之前,我要告诉你们,我放的这个是和谐版的"玩旷课乐吧"

耶鲁公开课 - 心理学导论课程节选