?? ???90????????????????
????:1?????600?????:???????
2????qq
3????????????
4???95???
5??????????
??12???19??????????????? (??????)??19??(???:????????????)?????,???,??,??90??,??????????????????,??????
??,?????????????????????????????9??????????????40???????,???????????????????????????????:“?????????????,?????????????????????????(??)???????????90???????????????????????,?40%?”
?????????????????,???“????”??????????????????“????”???,??,??????????????????????,????????????????,????????,?????(????????????????) ??????????????:????????????????