AndrewBerkinandLarrySwedroe,Yourcompleteguidetofactorbasedinvesting,2016
从表面来看,携号转网tzw9要一家运营商允许迁出Ykkb另外一家运营商允许迁1Kdu,这样就能实现携号转EWqk,与迁户口的流程非常qL3r似i8Et