?? ???45??????????????
????:1?????app:??????
2????????
3???????????
4?????????????
5?????????????
????2??5???????????? (? ???????????)?(????????“?????????????”)5?,?????(1???????????28??????????????2????????????????4???????),?45???????,???24.4%??,????????????2.9?,?28%?
?,?????????1???????????25??????1?26????????7??,??1??24??2??4???,??????????28.8???,???2.4?,??????26.3%??,??????????????9.8??,??????????45.2%,??1.6??????????,??????????????36.4%?
2?????????4??,???,????3.2???????????,????2?????????????????????6??????????,???,?????,??
????????,???????????240??,???240????????????????????,?????????,?????
????????????,???????????????,??????,??????????????????(????????????) ???:??