So they--in other words, the insurance company--doesn't trust the insurance companies to do the calculations like I showed with the binomial theorem.

因此他们...也就是说,他们不放心让保险公司按照二项式定理,自己计算准备金要求

耶鲁公开课 - 金融市场课程节选

If you didn't really believe you were going to die, that is undergo bodily death, why would you take out life insurance?

如果人们不相信自己会死，不相信肉体的消亡，那为什么买人寿保险？

耶鲁公开课 - 死亡课程节选

People, for example, take out life insurance so that-- well, here's what seems to be the explanation.

比如人们，为自己买人寿保险-,这个行为的理由可能就是。

耶鲁公开课 - 死亡课程节选