????:1?????app:???????????

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

3???????????

4??????????

5?????????????

??(?????????):????,????????????,?????????????????,????

??????????,?????????????????????????????????11??,?????????????5.8%???11??,????????80%??60%???????????????????????,??,??????????8.7%??29.3%?????????????,???????21????????????????30%???

??,11????,????????????50.3%,?,?????????????????,?????,????????????????

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