I imagine he did it at this very blackboard because, as I said, he had his office in this building and he didn't die until 1940s, so he must have been-- this building was--this room goes back to the '30s.

我猜他就是在这块黑板上解释这个理论的,当时他的办公室就在这栋楼里,他是在40年代离世的,所以他应该曾经...,而这间教室是在30年代建成的

耶鲁公开课 - 金融市场课程节选

The big problem life insurance had was people would buy it and they'd pay for several years and eventually they would think, well we didn't die, we're losing all this money, let's just cancel the insurance.

人寿保险的一个主要问题是,人们在购买了若干年保险后会突然觉得,我们并没有死,保费白花了,我们干脆把保险取消好了

耶鲁公开课 - 金融市场课程节选