?? ?????????????????????
????:1???????:??????
2?????
3???????
4???????app???
5??????
???1?????3??????????? (?? ??????? ???)?????????3??
????,?????????????????????????????????????????,???????????????????????,????“?????????”????????“?????????”,????????????????????????
????????????15???????????,????????????????????????
???10???,????10?“?????”???????,??????,????????????????????“??”???
??????????????,???????????????????????6.2????????????????,??,?????550????????????????????,????????????
??????????,????????????????????,???????????????,????170??,???????????????????
??????,????????,???????????????????,??????????????160????,????5????????????????,?6??????????????????,??10??????,??????????????20%?(???????) ???:????