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

2????????

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

4???????????

5????????

??????????11?????????????????23???????(????????????? ??)???30??????????23??????????????????????????“??”,???????????,20????“??”??“????????”???????????

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

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

?20???????????90????,?????????????????????????

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

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

???????,?????20????????????????????????“????????”,?“????????????????”????,???????????,???????????????????????????

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

??,????POS????????????,??????,???

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

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