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

2???????????

3???????????

4????????

5????????

??????12????19?????????????????? (?? ?)12?????????????19?????,????????????,??,??????“?”????????????APP,???

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

?????42???????,??????????????????????????????,???????????????5?,??,?140??????????????????,???

“??????????????12??18????????,??????420????????11?????1.15??”???

???? ?? ??

??5????????????,??10????,???,????

“??,??????????????????????????,??????‘??????????????????+???’?,?????”???????,?,??

???????,?????,????????????????????2540????????????????,????????????862?,???????????500??,???25???????????????????????????????????5???,????????????2500?????3000??????,???????????????????????90?????????????????????????????????,??0.2595????????,????23?????,5????????

??????????,?,??“??”???“??”“??”“?”???????????????????????,???“???+”???????????,???(???????)

?????????:???????????