Propriety is human's basic rule of morality and conduct, which is a part of our social ethics.

礼仪是人类最基本的行为道德规范，礼仪是一种社会公德。

youdao

Propriety is human's basic rule of morality and conduct, which is a part of our social ethics.

礼仪是人类最基本的行为道德规范，礼仪是一种社会公德。

youdao