So it divided the game world in two and made trading legal in one part but not the other; players can choose which to play in.

因此，该公司把游戏世界分为两部分，并让在一部分中交易合法，另一部分则不合法；这样玩家就可选择哪一部分的游戏去玩。

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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.

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。

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Most of them enter the market now and then. To be successful in the trading game, there are some rules to follow.

忽略那些突然出现的交易书本和时事通讯，所有的交易市场都分享和遵循着同样的交易规则。

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Increasingly common broadband Internet connections can make some people unwitting pawns in the game of trading them.

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