Top students in the ninth and tenth grades can attend single-sex classes for math,science,English and social studies.

VOA: special.2010.12.02

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