It provided vast market space for the rampancy of sham product.

它为假冒产品的猖厥提供了广阔的市场空间。

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And this is one reason that shill bidding is more rampancy in English auction.

这也是“托”在英式拍卖中更加猖獗的原因之一。

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In addition, the rampancy of such cheating is undermining the principles of social justice and fairness.

另外，这种作弊的泛滥正在逐渐削弱社会的公平和正义。

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