When people laugh together, they cease to be young and old, teacher and pupils, worker and boss.

当人们在一起开怀大笑的时候，不分长幼、师生、员工还是老板。

youdao

When people laugh together, they cease to be young and old, teacher and pupils, worker and boss.

当人们在一起开怀大笑的时候，不分长幼、师生、员工还是老板。

youdao