?? ???????30? ?“?”??????????
????:1??????:???????
2???????
3??????????
4???????
5??????????
???????????11??????????23????????????????(? ?)?????????????30??23????????????“???????????”,??,20??????????“???”??????????????“??”???????
????????,????,???????????????“????????”????????????????????????????
????????????,???????? ???????? ?????20????90?????????,??????????????
????????????,?????????????????,?,????,????????????
????????? ??? ????????????????,???20?“??”,???“?????????”???,??????????????,?????????????
????????????,??????“????”,????????????????????,?????????????????????????,???????????,?????????????????????????
?,????POS??????????????????????????,????????????,?????????
??????????,???????????????????,???????“?”??,??(??)
??????:?????????????