Faculative
a. 允许的, 任意的, 兼性的, 偶发的
🗣️ 情景例句
I haven't seen you since the hospital.
自从医院相遇之后再也没有见到你。
Go for wool and come home shorn.
求得反失。
What about your sister Kate? You didn't come together, did you?
你的妹妹凯特呢？你们不是一起进校的，对不对？