当人们对于某种商品的需求增加时，其竞争性的出价便抬高了产品的价格，生产者会因为有利可图而扩大生产。

When people want more of a commodity, their competitive bidding raises its price. This increases the profits of the producers who make that product. This stimulates them to increase their production.

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提高出价以引出估计中的不确定层次将可能使提案是非竞争性的。

Raising the bid to account for the level of uncertainty in the estimates will probably make the proposal noncompetitive.

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