????:1??????????:??????300???

2????????

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

4???????

5??????

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

???,??,??“?????????”????????

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

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

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

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

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

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

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

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

??????:???