?? “???”???????????? ?
????:1?????????:??????
2???????????
3?????v
4???????
5???????????
?????????????????????????????……?????????????,“???+”???????????“???”???????????,????????????,??????????“??”????????,“????????????”?????,??,?????????????????????
??????????,??????,???,?????????????????????“????????”???????????????,???????
???????????,???????????????“???????”,????????????????
??????,“????????????????”??????????«???????????»,??,??????……??6?????????2???????????8????15???????????,???????
“????????????????,?????,???????????????????????”???,????????????,???????????,??,??????????
???????????????????????????????????????????????……????????????????????,???,???????????????????????????????,????????????????,?????????,???????????????????,????
?,???????“????”???????,?“??????????”,?????“????”;????????????????,???????????,?????,?????????????;????????,???????,????,?????????,??????“??????”???????????????,????????
?,??????????,???????????????????????,?????????????,???????????????,????????????????,???????
??,???,????????????????????,????????????,???6???????11??8?????31????????????????,?????,?????,?????
????????????????,?????????????????2.27??????,?????20.9%????????????,?????????????,??????????“???”????“????????????”,????????????????????,????,?????? ???:???