????:1????????????:?????????

2??????????????

3???????

4?????98????

5??????????

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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