There's something called "variable life," which refers to a life insurance policy where the policyholder can make decisions about the investment of the money in the whole life policy.

有种保单叫做"可变寿险",作为终身寿险的一种,投保人可以自主选择,在终身寿险上进行多少投资

耶鲁公开课 - 金融市场课程节选

And Peter Gray in his psychology textbook refers to it as the "changing hiding places" problem, which is probably a better name for it.

彼得·格雷在他的心理学教科书中,将这一任务称为"变换藏身地"问题,这可能是个更为恰当的名字

耶鲁公开课 - 心理学导论课程节选

Subprime refers to mortgages, which is not the subject of today's lecture, but a subprime mortgage is a mortgage issued to a borrower who is not considered prime--not a good risk.

次贷指的是次级抵押贷款,这不属于今天的讨论范围之内,次级抵押贷款是发放给特殊借款人的,他们不是优质客户,也就是说风险较大

耶鲁公开课 - 金融市场课程节选

N --O So we introduced this notation big O which generally refers to worst case.

的平方。，So，，N，squared。,这里我们介绍一个符号,它泛指最坏的情况。

哈佛公开课 - 计算机科学课程节选