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

????:????????300:??????

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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