?? “???????????”?????
![](https://image.chezhanri.com/2019/0517/20190517113700719.jpg)
????:1?????????:?????????
2?????app
3???????????
4?????????????
5?????????
6????????20????,?,“????”?????“??”??????????,?“??:?????????????”???????????«??»????????????????????????,???????????????????????????????????? ?
6?20?????,??????????,“????”?????????????“?????????????????????”?????????????????????????????,??“??????:??????????????????????”???«?»???????????????????????????????????????????????,?????????????????????? ?????
6?????20????,???????,“??????”?????????????“?”?????????????,??“???:???”?????«??»?????????????????????????????????????????,???????????????????????????? ???????????
6??????????20???????,????,“???”????????“????”??????????,??“??????:???”??«????????»??????????????????????????????????,??????????????????????????????????? ??
???:??????