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

2????????

3?????????

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

5????????

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

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

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

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

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

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

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

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

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

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

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