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

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

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

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

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

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

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

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

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

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

???:?????? “???????????????”????

?? ?30? ?“??????????”???????

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

2??????

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

4?????

5????????

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

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

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

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

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

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

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

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

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

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

???:??????