Because I could've built that in, it says if you change the value of this thing, by the way you need to change recompute those other values in order to make this hold up.

我想要大家通过定义好的方法，来改变实例的值了,因为我可以把这个功能，内置到方法里面去,它的意思就是如果,你改变一个值。

麻省理工公开课 - 计算机科学及编程导论课程节选

The reserves are an accounting entry-- it's how much they are required to hold, but the companies will hold more than that, typically, in order to protect themselves-- more than is required--and their policy holders-- more than is required by the regulators.

提取准备金就要做会计分录,由相关部门的规定,来提存一定量的准备金,但是保险公司可以持有更多的准备金,通常,多提存是为了,保护他们自己以及投保人,于是持有更多准备金

耶鲁公开课 - 金融市场课程节选