?? ??????????????????????“??”
![](https://image.chezhanri.com/2019/0312/20190312161328617.jpg)
????:1?????????:?????????
2???????
3?????app
4??????????????
5??????
?????????8?????????14????? ??????:??????????,??????,??????
????????????????,????,???,??,??????;?????????????????????,??????;???????????,?????????????;???????????????,????????????????;?,?????????????,???????????????,?????????
???????????????????,????????????,????????????????????????,???????????,??????,???????????«???»«?????????????»«??????????»??,?????????????,??????;??????????????????????????;?????????;???????????????,?????????????????????
???:???????????