It takes time to learn a subject well. You can't expect to make wonders in a short time.

学好一门功课是费时间的。你不要期望在短期内创造奇迹。

youdao

It takes time to learn a subject well. You can't expect to make wonders in a short time.

学好一门功课是费时间的。你不要期望在短期内创造奇迹。

youdao