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

2?????app

3?????????

4???????

5???????????

??????6??????14?????? ??????:??????????? ?????

? ?????? ????

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

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

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

???????????????????????,??????2??????????????(??,??????),????250.28???,???????????????????????,??5500????????,?16????????

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

“?????????????????,???1500????????”????????????,????????????????,??,???

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

“??2??????,????50?????????,??20??,???????,?80???????????,?2.4????????????”????????????????????????

“??????????????,?????‘?????????????+?????????+???????????????’??????????,???????‘????????’?”?????????????,????????????,?????????????5???,?????????????“????”1200??????????????????????????,?????1200?2?????(??????????) ??????????:????