One of my favorite stories is, William Ruckelshaus, William Ruckelshaus who was head of the Environmental Protection Agency in the early 1970s.

我最喜欢的一个故事，是讲,他是20世纪70年代时候的,环境保护机构的会长。

麻省理工公开课 - 计算机科学及编程导论课程节选

Banks are institutions that exist within the community, and they live among the business people in the community and have an ongoing relationship with them.

银行是存在于一定社会环境中的机构,它存在于这个社会环境内的商企人士之中,并和他们之间保持着联系

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