They played a computer game that paid real cash to look for money behind three doors on the screen. (You can play it yourself, without pay, at tierneylab.blogs.nytimes.com.)

他们需要花钱在电脑屏幕上的三扇门后寻找钱币（你也可以免费玩这个游戏，游戏网址是tierneylab.blogs.nytimes.com）。

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The firm makes most of its money by selling virtual goods (a dress for an avatar, a weapon in an online game) for play money that users buy with real cash.

它通过用户的真实货币买其虚拟物品（虚拟人物的衣服，在线游戏的装备）而赚钱。

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Liu says he was one of scores of prisoners forced to play online games to build up credits that prison guards would then trade for real money.

刘某称，他是众多被逼迫玩线上游戏的囚犯之一，增加的游戏积分接著会被狱警拿去换成真钱。

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Betfair, an online-betting exchange based in London, has been called the eBay of sports betting (see article), and the vast majority of the websites that allow people to play poker and other games of chance or skill for real money are based in Europe.

ECONOMIST: Online gambling in Europe

The lockout has resulted in real financial losses, so to make up for money and time, teams will play only within their conferences, and four games each week instead of three.

FORBES: National Hockey League Skates Back to Business