标准普尔500指数达到了自1957年以来最大的一次下跌，由美国最大公司组成的这个指数一年下跌了40.9%。

The Standard &Poor's 500 index is set to record the biggest drop since its creation in 1957. The index of America's biggest companies is down 40.9 percent for the year.

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指猴有家猫大小，爬行在马达加斯加的热带雨林附近，用手指在树干上发出击鼓声——高达每分钟40次——同时倾听音准的微妙变化。

Around the size of a domestic cat, it creeps around the rainforests of Madagascar, drumming its fingers on tree trunks - up to 40 times a minute - listening for subtle variations in pitch.

youdao

因此，追求优势的竞争是指一个“过程”，而不是一个“状态”或“一次性”行动。

Hence, competition for advantage indicates a 'process' rather than a 'state' or 'one-off' action.

youdao

Subprime" Refers to the mortgages that were made mostly over the last ten years or so to subprime borrowers.

次贷"指的是,大约在最近10年中,提供给次级借款人的,住房抵押贷款

耶鲁公开课 - 金融市场课程节选

How do we know this always stops? I mean, I ran three trials here, and it did. But how would I reason about, does this always stop?

我指的是我在这儿试了三次，它都停了，那这是为什么呢？,它总是会停下么？

麻省理工公开课 - 计算机科学及编程导论课程节选

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