underground economy是什么意思 underground economy怎么读
underground economy的用法和样例
- The report also factors in the underground economy.
该报告也计入了地下经济因素。 - During that period, underground economies have sprung up around the trade of virtual game goods, like swords, helmets, and skill points.
在此期间，地下经济体系围绕虚拟游戏商品贸易，如刀剑，头盔，和技能点已经涌现出来。
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