?? ??????19???? ?????????
![](https://image.chezhanri.com/2019/0822/20190822113122292.jpg)
????:1??????:????????
2?????app
3?????????????
4?????????
5??????????
??7?????????2??,??“?????????”??????????????????????????????,???????????????,?,??????????????1888???,??????«????»????????????,?????????,????“??????????????”??«????»,??,????????????????????,??????19??????,??,??????????,?????????????
(????? ???????????)
???:?????