It seemed to be the regime that divided France least, what Gambetta called the nouvelles couches,or the new social strata, the new social strata,the middle classes,the petty bourgeois.

这看似是最不会导致法国分裂的政体,甘必大称它为新阶层,或新的社会阶层,中产阶级,小资产阶级

耶鲁公开课 - 1871年后的法国课程节选

In Korea, students can drop their classes in the middle of the semester. Is it also possible here?

在韩国，学生可以学期中的时候把课退掉。在这里也可以吗？

对于返校日 - SpeakingMax英语口语达人

Amsterdam is dominated by the middle classes.

阿姆斯特丹充斥着中产阶级

耶鲁公开课 - 欧洲文明课程节选

If it weren't for the New Critics, none of you probably would have been able to sit patiently through any of your middle or high school English classes.

不过我现在要说的是，如果没有新批评派，在座的同学之中没有人,能耐着性子坐在教室里,听中学语文课。

耶鲁公开课 - 文学理论导论课程节选