First, the author analyzes the troubles coursed by supplier from the macro and micro ways: which are brought by unqualified suppliers during the shortcomings of Lowest-price bidding; non good selection to supplier can bring more unbalanced information during construction bidding.
首先，本文从建筑业的特征入手，从宏观和微观两个角度分析了建筑业现有采购模式下由供应商带来的问题：如宏观方面由于对供应商甄选力度不够导致“最低价中标”的采购模式在我国“水土不服”并带来了一系列严重的社会问题和经济影响；微观方面由于不重视对候选投标人(供应商)的资格预审工作导致更加严重的建筑业采购的信息不对称问题。
参考来源 - 建筑业采购中基于最优价值的供应商甄选研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Statistical information exists in real economic activities and is useful, but it is imperfect, unbalanced and dissymmetric.
统计信息是大量存在的，有用的，但又具有不完全性、不均衡性和不对称性。
The unbalanced distribution of medical information resources and its reasons were analyzed and its countermeasures were put forward.
分析了医学信息资源分配不均衡及其原因，并提出改善医学信息资源分配的对策。
Information asymmetry means that information between corresponding economic individuals presents an unbalanced and asymmetrical economic status.
信息不对称就是指在对应的经济个体之间信息呈现出不均匀、不对称的经济状态。
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