(VOICE) In June,Harper taught his last class in instrumental music in the school district of Yonkers, a suburb north of New York City.

VOA: standard.2010.08.11

We will probably have several days with one class each city".

我们可能会连续办上几天,每天让一个城市的一个班级参加。

麻省理工公开课 - 媒体、教育、市场课程节选

The question of censorship and the telling of lies is introduced, in other words, as a question of military necessity, controlling the guards or the auxiliaries of the city, its warrior class.

审查的问题,及说谎的导入，换句话说，就像军备的问题，控制守卫人员,或说是城市的后备，战士阶级。

耶鲁公开课 - 政治哲学导论课程节选

First of all, it's not a coincidence that in both England and in the Dutch Republic you had, along with the city-states of Northern Italy, you had the largest percentage of middle-class population that you could find in Europe.

英国和荷兰共和国,以及北意大利的城邦,拥有全欧洲比例最大的中产阶级人群,这是有它的必然性的

耶鲁公开课 - 欧洲文明课程节选

how can you have a platonically just city if most people in it, certainly most people of the auxiliary class are deprived of the pleasures ? and the goods that we desire?

如何建构一座柏拉图式的正义之城,如果大部份居住其中的人，尤其是那些后备阶级,所渴求的愉悦,与动产都己被剥夺？

耶鲁公开课 - 政治哲学导论课程节选