Optional nature
[法] 任择性, 非强制性, 任意性
🧩 词语组成解析
🗣️ 情景例句
Weight training makes me feel good.
举重训练使我感觉不错。
I'd like to have you come to my house for dinner sometime.
改天请到我家来吃饭。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。