????????“???????”???? ????

????:??app:??????

????6??????????????20?? (?????)????????????????,???“???????????”,??????????????,???????????,?????

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

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

???????“??”????????????????????????????????????????

20??????,?,?????4???“??”?????????????????,????????4500?????????????,??????????????????????1.68??,????900???????????????,????????……

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

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

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

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

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