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

What is the most wonderful benefit of being able to speak two different languages?

能说两种不同语言的最大好处是什么？

必须掌握两门语言 - SpeakingMax英语口语达人