?? ??????“???”???3???????
????:1???????:????????????
2??????????????
3??????
4?????app
5??????????
??9?29??????????? (???? ??)?29?,???????????????,???????“???”????????3?,??9???????????????????25%???
??,?????????,?????????????????15???,?????????????9??17%?????????????????21%?
???,??????????????????????????,???????????????????10?????????6???????????,????????????????????12000?;??10?????????4?,??????????4800??;????????10????????2????10?????????????6???
?????????,????????????????,?,????????????????????????????????????????????????????,???????????????????,?,??????????(?) ???????:?????????