Underground economy
[法] 地下经济
🧩 词语组成解析
🗣️ 情景例句
Get to the point.
请进入正题。
Do you feel better now?
现在觉得好些了吗？
as Walter Sullivan has put it in his excellent book, We Are not Alone.
正如沃尔特·沙利文在其杰作《我们并不孤独》中阐述的。