All skills require constant repetition to become second nature; good manners are no exception.

一切技能都需要经常反复而后才能成为第二天性，礼貌也是如此。

youdao

All skills require constant repetition to become second nature; good manners are no exception.

一切技能都需要经常反复而后才能成为第二天性，礼貌也是如此。

youdao