????:1???????????:????????????

2???app

3??????????

4?????????

5???????

????11?????????????28??????????? (???? ???????)???????,??????90?,??????92%?

?28????,????????????????,??????,??

??,????????????????1???6?????,?????????????22719??,??19%???????

“?????????????????????????????????,??????,??????”???????

?,??“??????????????????”,?????,?????????????????????????

?????????,??????????????????,?????,???????????????,????????(?????) ???????????:????????????