?? ???????????????????
![](https://image.chezhanri.com/2019/1112/2055583a9d6f8e9ef168956023b2175e.jpg)
????:1?????app??:????
2??????????
3??????
4??????
5?????
????????9?????????????5????????? (? ??)?5???????,?????????????????????(??“?????????????????????????????”)????????????????????????????4??????
??????????????????????????????8???,9???????????????3????????????????????????????,9???????????????4??????????????????????????,????????????,?????,?????????????????????
?????,????????????????,??????????????????,???????????????
?,??????????????,??,???????????????(??????????????????????????????) ????:????