?? ?????????????:????????????
????:1???????????:???
2????????
3?????
4?????????
5???????
??12???????????????????2?????????(????????????? ????? ?????????) ?????????,??????????????????“?????????????”????????,???????,???????????????
???????????????????,???????????????????????,??,??????????,????????
??????80??????????????????????,??23?????????,???20%?????????????,??8000???????????
???????????,??,????,??????,????,?????????????????????????????????,????,????
“??,???????,???????,?????”?????????
??????,?????????,??,?????????????????,????????????????????????????????????????????????????????????????????,???,????????????????????????? ????????:???