The Arlington, Va.-based group hosts online competitions in which contestants offer solutions to specific social problems.

Arlington是一家位于弗吉尼亚的机构，在他们主持的在线竞赛上，参赛者要为特定的社会问题提供解决方案。

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A large number of people watch their competitions online, and successful gamers can get more than 1,000,000 dollars from prize money and ads.

很多人在网上观看他们的比赛，成功的游戏玩家可以从奖金和广告中获得超过100万美元。

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Students attend after-school clubs, summer camps, online forums and classes, and university-based "math circles", to prepare for the competitions.

学生们参加课外俱乐部、夏令营、在线论坛和课程，以及基于大学的“数学圈子”，来为比赛做准备。

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Gamebattles.com, on the other hand, is a destination website for online competitions.

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It nonetheless runs internet discussion groups and expects readers to apply online to enter competitions.

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"I was very good at the game and was invited to take part in national competitions online, " he said.

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