????:1??????V:?????????

2??????app

3?????????

4??????????

5????????

????????? ???:“??,?????????,???????……”????????(2??13????)?,??,??????“?”,?????????????????,??,???????????

????????????,???????????????,??3.69?,????1.29?,???????,??????????????

??,??????????, ?????????,????????????0.12????????????,??????,??,?,????????????????3.73?,??????????1961?????????????????,??????????,??4.49??

???,???????,?,???????????????????????????10???,?????????????,??????10??

??(2????????????13??????????????21????),?,??????????????,?????????????????,??15??????,????,??????????????5???????,????????????10??????????,??,????????????,???(??/?? ????)

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