2???????????????21?????????,??????????????,????,??????????????????????????????9???

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

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

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

??“?????????2??”????

?? ??????????:???????“??”??

????:1??????????2??:?????????

2???????

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

4??????

5??????????

2???????????????21?????????,??????????????,????,??????????????????????????????9???

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

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

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