?? ??????:??????????
![](https://image.chezhanri.com/2020/0327/011b50ff956d074aee412c37b8e7313b.jpg)
????:1???????:???????
2???????????
3????app?????
4???????
5??????
??,?????????????????,????????????,????,????????????????????????????????????????????????????????,??????????????,????400??,?????????9????????????????????????????
??????????????“??????????????????”,??????????????,?????????????????????????,??????????“??????????”?????????,????????????????????,????,?????
?????????,?????? ,??????????????,??,?????????,??????????????,???,????????????????
????????????????,??????????????????????????????,??????????????????,?? ???????,????????,?? ??????????,??????????????????????????????????????????????,?????????????,?????
???????,??????1.5???????????????,??????????,??,?????????????“???????+”?????,????,???,????????,????
???? ????????? ??????????????? ???????
??????????????????:?????????