In this case, the government must strengthen administration so as to promote efficiency, fairness and stability, especially to maximumly limit the polarization of the rich and the poor.

• 因此，对于卖方涨价牟利行为政府必须加强管制，这有利于效率、公平、稳定三者的增进，特别是能最大限度地控制贫富悬殊。