教师们最高兴的事是看到学生的成长和进步，因为他们的付出有了回报。

The happiest thing for teachers is to see their efforts paid off when students grow and make progress.

youdao

教师们最高兴的事是看到学生的成长和进步，因为他们的付出有了回报。

The happiest thing for teachers is to see their efforts paid off when students grow and make progress.

youdao