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

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

3????????????

4???????

5????????

??????????,?????????????????????????12????????????????18??????????,??,??“??”????,????????????“????”,????????????

????????“???????????”????4300??,???????????153???,???????????????????3000???????

????,???,?40????????????????????23???????????????????????,?20%????????,??????????100?????????150??????????“21????”,???“????”?,????????????????????????“??”???????????(????? ? ??? ???? ????)

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