一个混合的学生群体可以改变课堂的活力，有利于学生学习。

A mixed student body may change the classroom dynamics and benefit learning.

youdao

但是大学的哲学课堂却普遍是死气沉沉，缺乏应有的生机与活力。

But the philosophy lessons of college are lifeless generally, and lack of vitality.

youdao

但是大学的哲学课堂却普遍是死气沉沉，缺乏应有的生机与活力。

But the philosophy lessons of college are lifeless generally, and lack of vitality.

youdao