????:????????????

????:????????:??????????

??12??????20???????????????(?????????? ??????????????)“???,??,??????”20??????????????????????,??????????“??????????????????”(?????????:????????????????)??,?????????????(???)???

????????,?????????????????????????????35.4%,?????????,???????????,????????????????????,????????????

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

??????????????????????????????

??????????????,??????4A????????,???????????????,??????????????“???”,?????????????????

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

“???????????????”“????????”“?????????????”……?,??????????????????????????,???????,?????????100???????,???

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

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

??????????

“??????????????????1.5??????????????????????,????????????????????,?????????,????????????,????”??“??”???

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

???????????,??400????????????,?????????????“?????????????”????????????????,???“???????????”??,?????????,???????????500??,??????????150????,????????????60?????????????????????,???????,?????

????????????????????,??????,??????“??”??????,???,????????????????????(??)

?????????:???