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。

youdao

Under usual practice, suspicious trading activity is reported to in-house compliance units, who investigate and decide whether to pass reports up to global compliance officers.

通常情况下，可疑交易活动将首先呈报内部合规部门，这些部门进行调查，决定是否将其上报给全球合规负责人。

youdao

Trading requires practice, humility, and perseverance.

交易需要实践，谦虚，和恒心。

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The practice, known as proprietary trading, generally shifts the risk to taxpayers while banks make money.

VOA: standard.2010.01.21

Late trading is the illegal practice of buying or selling mutual-fund shares at the trading day's price after the market has closed.

ECONOMIST: The scandal continues

At the same time, it promised to keep the pits open until trading volume became insignificant, spruced up its electronic trading software, passed out 250 handhelds to traders, opened a computer room so that floor brokers and traders can practice online trading and courted electronic trading groups popping up worldwide.

FORBES: That Other Exchange

This charity has taken the ancient practice of trading summer internships for assorted favours to its logical conclusion: it has created a market in them.

BBC: What price work experience?