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

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

3???????

4?????v

5?????v

?2??15??????????? ??????????(????????????????)?????????????????32??????????15???????????,???????????

2?15?,??32?????? ????????????????????

???????????????????????????

?32?“???”????????????????????????????????,“??”?????????????????????????????????????,???????????????,?;“?????????????”?,??????????????“????”??????“?”????,????,????????????????????????,???????

2????15?,?(???????)?32?????????????????????????(??????)?????????????? ?

??????,??????????,?????????,????????,????????????,??????????????(??????????)

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