The second thing we can do is to reuse the old textbooks as possible as we can.

我们能做的第我们能做的第二件事情是尽可能重复使用旧课本。

youdao

The second thing we can do is to reuse the old textbooks as possible as we can.

我们能做的第我们能做的第二件事情是尽可能重复使用旧课本。

youdao