Recently, however, there is a bit of a scandal regarding these rating agencies because they gave AAA ratings to some subprime securities.

但是,最近,出现了一点关于评级机构的丑闻,因为他们将一些次级证券评为AAA级

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So if you're working with cyanide in the lab as potassium cyanide or sodium cyanide, those are what are called p h s's, it's a rating for different kinds of chemicals.

因此如果你在实验室中,需要用到氰化物，比如氰化钾或者氰化钠，这就是所谓的，“P，H，S“,这是化学药品有害程度的一个级别。

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Some people think that the rating agencies have allowed a kind of moral hazard to creep into their organization.

有些人认为,信用评级机构,已经让某种程度的道德风险,渗透到他们的机构中

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But in fact, when the person watching this has to assess their intelligence they give the quiz asker a higher intelligence rating than the other person.

但事实上，看这个问答的人,要评估他们的智力，他们认为,提问者的智力比被问者的要高。

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and I asked you to give yourself a percentage rating relative to the rest of the class, then if everybody was accurate, or at least not systematically biased, the number should add up to 50%.

我要你相比于其他同学的表现，给自己一个百分数，如果大家都准确地评价自己，或者说大家都不偏心于自己，那么平均百分数应该是50%的。

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The idea was that the --so he set up Moody's Rating Agency and the job of Moody's was to give letter grades to securities; it was a little bit like a bank, but it was different because he didn't actually make the loans.

主旨是... 因此他成立了穆迪评级机构,穆迪的工作就是用字母给证券评级,这有点像银行,但还是有区别,因为他并不发放贷款

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