他首次掌管Gamegoods，竟遭遇罕见失败，第二次统领网络游戏虚拟币平台GratisPay，去年却卖给了其德国对手SponsorPay。

Gamegoods, his first, was a rare flop. The second, GratisPay, a virtual-currency platform for Internet games, was sold last year to SponsorPay, a German rival.

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在草履虫相关的游戏中，草履虫被放置在摄像机前边的一个小的液体器皿中，通过摄像机发送实时图像到一个显示屏幕上边，草履虫的影像被映射在屏幕上的一个虚拟的游戏平台上。

In paramecia-related games, the paramecia is in a small fluid chamber in front of a camera that sends live images to a video screen with a game board placed over the image of the paramecia.

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然而，在实践中要防止虚拟物品的交易是很困难的，而且现在还出现了一些专门的虚拟物品交易平台来让玩家购买与销售游戏中的物品。

In practice, however, preventing trade in virtual items is difficult, and several dedicated trading platforms have emerged to enable players to buy and sell in-game items.

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