Polysubstitution
多取代(作用)
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
There's nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
No, what are they?
不知道。什么呢？