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

2???????100?????

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

4??????????

5???????

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

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

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

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

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

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

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

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

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

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

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