????:1??????????????:????

2???????????

3????????

4?51????app??

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??????????????????????10??14?? (????? ????)???????????????14??,???,????????????????

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

???????,9??1.6%,??????????????6????????,???????????????????

?????????????????,9?????????????????????????,??????????,??????????,???????,???,?????????????????9???????,9?????????

?????????,????,??800?????????????????????,69%?????????????????(?????????????????) ????:???????