What are the possibilities and how can we prevent cheating at this level?

那么，作弊的可能性是多少，我们如何防止作弊？

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We randomly disrupted the seating order, in order to prevent cheating.

我们随机打乱了座位顺序，以防止有人作弊。

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World of Warcraft has many features specifically designed to detect, identify and prevent cheating and hacking in the game.

魔兽世界特别设计了许多特性来侦测、判别和防止游戏中的作弊和破解行为。

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To prevent cheating, bidding is anonymous and companies are barred from discussing their participation.

FORBES: Google Likely Out, And Happy

Andresen explained to BusinessWeek that bitcoins use a distributed intermediary to credit and debit accounts and prevent cheating.

FORBES: Are Bitcoins Worth Their Weight in Gold?

But research shows it is one of the best ways to prevent cheating.

WSJ: Why More Young Kids Cheat at School