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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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