?? ??7?????????? ???????
![](https://image.chezhanri.com/2019/0513/20190513162948684.jpg)
????:1???app????????:????????????
2?????
3?????????????
4???????
5???92939598?????
????????7???1?? (???? ??)7??????1??,????,????????????,????????,???,7??3????????????????????,?,????????,???????????????????
6??????,??????,???????,???,?????,?????????????????????7???????,????????,?????????
?,7?????????3???,???????????????????????,??,???????????,??,?????????????;?????????????????25?????50?,?????????50????????????????100???,??100??????150????????????4??????6?,?????????????????????,????;7?8??????????,???????,9??,????,?????????
?????,?????????????????????,????????????????,???????????????,???????????????????????,????????????????????????????????????????(??) ?????:????????