“??”???????!???? ??????

????:??????699????:?????????

????????????,??,?????,???????????????????????,???????????

?????????????????,????????,??,????????????????????????,????80%,????????

???,????????????,?????????????,??2000????,??????,????????????????????,????????,?????????????

???? ??:???,???????????????????To C(??)????????????,????????????????????20%???30%?

??????,???????????“?????????????”,????????????,???????????????

????????,???????????????????,??????????????,???????????????????,?????????(?????) ???????????:??