?? ????????????????????“??”
![](https://image.chezhanri.com/2019/1114/04f5298c683a4d4e4ba506834478941c.jpg)
????:1??????????:????
2??????????
3??????????
4???????????app
5?????
?????????8?????????16???????????????????? ???,??????????,???????????????????????????????
???????????????,??,??????,???????????????,????;???,????????????;????,???????;???,??????,??????,???????????????????????
?????????????????,??????,???????????????,???????????????????,?????????????,?????????,????????????????????????????????«???????????»«?????????????»«??»??,??????,????;???????????????????????;????;??????,?????????????????
???????????????????????:???????????