This song informs everybody of a very simple but very easy to be forgot by person principle, is to be satisfied.

这首歌告诉大家一个很简单却又很容易被人遗忘的道理，就是知足。

youdao

This song informs everybody of a very simple but very easy to be forgot by person principle, is to be satisfied.

这首歌告诉大家一个很简单却又很容易被人遗忘的道理，就是知足。

youdao