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The trading, buying and selling of virtual currency from popular games like World of Warcraft and EverQuest has been a largely underground market — until now.

至今为止，来自魔兽世界和传奇等热门游戏的虚拟货币还只能通过一个庞大的地下市场进行交易买卖。

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Some residents are making real world salaries by working in world selling objects or virtual land.

通过在这个世界工作，卖一些物品，或者虚幻的土地，一些居民便可以赚到真实世界中的薪水。

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Virtual tschotskes beckon: Instead of selling generic virtual "gifts" like Facebook does, later this autumn Bianchini aims to give users the ability to design their own virtual presents and sell those (vampire love-bites, anyone?).

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Amazon has gone from selling books to selling virtual books to being a publisher.

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It generates almost all of its revenue by selling virtual goods through its games, or from advertising.

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