站在市场的角度,市场交易的主体是平等的,质疑投诉制度不仅仅保护供应商的合法权益,同样也保护采购人的合法权益,采购人的主体权责在质疑投诉环节仍在延续。文章从对采购文件、采购过程和中标成交结果的质疑投诉三个方面,阐述了对质疑投诉机制的理解,本文节选了前两部分的分析。 From the perspective of the market, the main body of market transactions is equal. The system of questioning complaints not only protects the legitimate rights and interests of suppliers, but also protects the legitimate rights and interests of buyers. The main body of the purchaser’s rights and responsibilities are still in question. The article expatiates on the understanding of the mechanism of questioning complaints from the three aspects of the procurement documents, the procurement process and the bidding of successful bidder. This article excerpted the first two parts of the analysis.