✅ 同义词
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Without danger we cannot get beyond danger.
没有危险就不能解除危险。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。