✅ 同义词
🗣️ 情景例句
If you really mean it,
假如你是说真的，
These clothes are very beautiful, but are too expensive.
这些衣服很漂亮，但是太贵了。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-