Optional argument
[计] 任选变元
🧩 词语组成解析
🗣️ 情景例句
What place would you most like to visit?
你最想到哪个地方旅行？
She refuses to make up her mind.
她拒绝下决心。
A policeman approached Jimmy and told him he ought to have gone along a side street as Jumbo was holding up the traffic.
一个警察走过来告诉吉米，他应该走一条小路，因为江泊阻碍了交通。