Facultatively
特许地; 能力地; 偶发地; 兼性地
🗣️ 情景例句
We had a talk.
我们谈了一下。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
We can't decide who should open it first.
我们难以决定谁先打开礼物包。