He taught at the New School for Social Research in New York City and at Harvard University in Cambridge,Massachusetts.

VOA: special.2011.08.14

And then you have other social structures of any city-state.

城邦还有其他一些社会机构。

耶鲁公开课 - 新约课程节选

Socrates tells us repeatedly that justice in the city consists of each member, each citizen fulfilling his task in the social division of labor, in the social hierarchy.

苏格拉底不断地告诉我们,城市正义的组合,是每一位成员，每一位公民都善尽,他们在社会劳动分工，或说是社会阶层中的职责。

耶鲁公开课 - 政治哲学导论课程节选