阶级划分的基础是脑体分工，因而阶级实际上就是指分别从事脑力劳动与体力劳动的社会集团。

Students capacity of working with brain is in constant change within a class, a day, a week, a term and even a year.

youdao

阶级划分的基础是脑体分工，因而阶级实际上就是指分别从事脑力劳动与体力劳动的社会集团。

Students capacity of working with brain is in constant change within a class, a day, a week, a term and even a year.

youdao