I have a friend who's a social psychologist who told me a story once that really made me very nervous, although she's fine.

我有一个社会心理学家朋友,她曾经给我说过一个故事,让我很紧张，虽然她现在一切都好。

耶鲁公开课 - 心理学导论课程节选

I called an economist at the BIS and said, can you please explain it to me?

在国际清算银行，我问一个经济学家，你能不能给我解释下？

耶鲁公开课 - 金融市场课程节选