?? “????,?????” ???????????3????
![](https://image.chezhanri.com/2019/0605/20190605175236128.jpg)
????:1?????????????:???????????
2?????
3???????
4???app????
5?????
?6???17????????? ???17????????,?,?????????3????
![?:??????? ???:?????????????](http://image1.chinanews.com.cn/cnsupload/big/2023/09-11/4-426/98ea98f161ab40559e269e123c0ba934.jpg)
????????????,3??????????2???4????????,??,????????????????4???19.1??????????
?????????,2011???,??,????????
?????????????????,??,????????????????????????
2011????????????3?,?,??????1?3????,??
????:??????????