Underground economy
[法] 地下经济
🧩 词语组成解析
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
I'm glad to hear about your promotion.
我很高兴听到你升迁的消息。
The crowd began to shout, but the drunk was unaware of the danger.
人们开始大叫起来，但醉汉却没有意识到危险。