有时让你疲惫的，不是高山，而是鞋里的一粒沙子。

Sometimes makes you tired, not mountains, but the shoes in a grain of sand.

youdao

有时让你疲惫的，不是高山，而是鞋里的一粒沙子。

Sometimes makes you tired, not mountains, but the shoes in a grain of sand.

youdao