?? ????????????? ???????????
![](https://image.chezhanri.com/2019/0312/20190312111715835.jpg)
????:1?????:???????98?
2?????app????
3?????????
4??????
5????????
?????8?????????????1??????????? (?????? ??)????,?????8??????1???????????????????,?????????????????,????????????????????????????????????????????
??????,?????????????,?????,??“???????????”,????
????????????,????,??????????????????????????????????,??????????,?????????????????,????????????,????“?????????”?????????????????????????,??????????????????????????????,????,???????????,???????(??????????????????) ??:????