The time passes so quickly, we feel very busy but learn a lot of useful things.

时间过得太快，我们感觉很忙碌，但也学到了很多有用的东西。

youdao

The time passes so quickly, we feel very busy but learn a lot of useful things.

时间过得太快，我们感觉很忙碌，但也学到了很多有用的东西。

youdao