但是，关于招标制度的研究还只限于表面作用的观察，而对于其在经济学深层次意义上的探讨还十分欠缺。
However, the traditional research only limited in the observation about surface impact, lack the deeper probing in economics.
但是，关于招标制度的研究还只限于表面作用的观察，而对于其在经济学深层次意义上的探讨还十分欠缺。
However, the traditional research only limited in the observation about surface impact, lack the deeper probing in economics.
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