AD with a low price type of site, site content, as well as advertisers bid, and whether or not there is nothing to do with invalid clicks.

广告单价低跟网站类型，网站内容以及广告商出价有关，与是否有无效点击没有关系。

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If high bid price quotation, bidding company will lose the chance of winning, And bid price quotation is too low, even if the will to bring a construction enterprise.

如果投标报价过高，投标企业就会失去中标的机会；而投标报价过低，即使中标也会给施工企业自己带来亏本的风险。

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So the two sides reach a tacit understanding, etc when opening bids, the hospital has asked the company to bid price quotations to ensure low bid in when signing a contract, and payment increased.

于是双方达成默契，等开标时，该医院要求该公司尽量压低投标报价，以确保中标，在签订合同时再将货款提高。

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