The Evergreen State College,for example, was established in nineteen sixty-seven and has never used letter or number grades.

VOA: special.2009.03.05

They've become forces of nature in the U.S. Economy, in the sense that people accept these letter grades with great authority.

他们和美国经济密不可分,在这种情况下,人们笃信机构的字母评级

耶鲁公开课 - 金融市场课程节选

He had a neat idea and that was to give letter grades to securities that represented credit worthiness.

他有个绝妙的主意,就是用字母,给证券评级,以此来代表其信用状况

耶鲁公开课 - 金融市场课程节选

When I open the blue book, the Yale guideline, the Yale catalog, it's got a page, as you all know, where it says what letter grades mean at Yale.

我打开那本蓝皮书，耶鲁指导手册，耶鲁目录，有这么一页，都见过，讲耶鲁每个评分字母表示什么。

耶鲁公开课 - 死亡课程节选

Those are the two biggest rating agencies in the U.S. today and they're extremely powerful organizations because they --Standard & Poor's also does letter grades, a slightly different system, but almost the same.

如今他们是美国最大的两家评级机构,而且他们是非常权威的组织,标准普尔也进行字母评级,体系上有些区别,但基本相同

耶鲁公开课 - 金融市场课程节选

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

耶鲁公开课 - 金融市场课程节选