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

2???????

3???app??

4????????

5????????

?2????22??(?)????22???????????,???,???????????????“??”????“????”?????3.8??????????,???????,??????????,????????83.49%,??????????????????????????

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

?????????????????????,?,??,??????????????????,???,??????????????,??????????,??????????????,?????????????????2021????,????“??”?,???“??????????????????”??

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

?????,?100??,?????????????????????,???????????????,???????????????7000???????????????????????????,??,??400??,???????????????(????????????) ???????????:???