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

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

3???????

4?????

5?????????

??????,??,“????”?????????

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

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

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

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

??????????????,??,????????????????????“????????”????“???????????”??????450????500??????????,?????????350???

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

?????????????????,??????,?????????,????????“?????????”????????????????3.8?????????,??????????????????,?????????????,??????????

“??????????????,?????????50%???????????27%??????,???????????????????20%??????”???,????,????????????,??,????“???”

???,????“????”?????

??????,???,????????????????????????????;

??????????????,??,????????;

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

?,????,??????????????……

“??????????????,????????,?????????????????????”????????,???????????????8???????,???,??????????????????????????,????????“???????????????”?????

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