?? ???????:??“???????????”? ????????

????:1?????????:????????
2?????????????
3???????
4????????
5?????????
?(???????????):?????,“?????????BA”“???????”“??”??“?????????????????????”???????????????????,???????,??“??”?????
???,????“??”????????????????????????????????????
???????????,??“????????”,????????????,???????????????????????????“?????”??,?????????
???“????????????”??,??100??????????????????????????,???????????????????,???“??”???,“??+??”?????????????????
??????????????????????,??,???????????????????????????????,????????????????,???????????????,?????,????“??????????????????”?,????????????????????
???????????????,??“????????????”?????????
