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

2??????????

3????????app

4??????????

5???????????

????????(????????):????????????,?????????????????????????????,???????,?????,???

????????,???3.1?????,????14.7???????????????????????????,???????????“??????????????????”????,???6????????????????????????,?????????11???,????????????2?????????????,????????????????????,????????,???

??????????????,????????????????,??????????????????????????????????????,?????????????????????????110??,??4.54????????????,????15.1%,?????1????,?????????????????????,????????????1100????????,??????1300?????????????,??990???

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