????40??? ?????????“??”???

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

??8????16??? (?????????? ??????????????????????)16??????????,?????????,??,?????????,????????28?????,????????????????????40?????

???????3?,?????,???“?????”????????APP???,?????????????????????,??????????,?????????

???,????,?,????????????????????4%,???,??1.5%?????????

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????,?????,???????????4%???????????,????,?2???????

????,?????40???,??????????????????6.2???

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

??????????????,?????,?????????????6?????????,??????????????,28???????????????

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