?????????

???????2?????15???????? ?????????????????????:???????????

??????????? ?????????? ??

??,????????????????????,??????????

??,???????????????,?,????????????????????????

????,???????????APP????,?????????????,??1??????7??????????????????

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

??,?????????,?7?????????????????70??????“???????”?????????,??????????,?????????????

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

??????????????«???????2»?,????????,?????????????????????????????“???,????????????????????????”?,??,????????????????????40????????

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

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

?????????????,??????????????8??????26.25????????????????,??????????,??(?)