Ifthen
如果…那么
🗣️ 情景例句
We'll come upstairs and get you in a little while.
我们待会儿就上楼来带你下去。
Before you go on, I have a question.
在你接着干之前，我有一个问题。
Are you sure you don't mind?
你敢肯定你不会介意吗？