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

2????

3????????app

4????????

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

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

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

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

????:????