????:1?????90???????:????app??

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

3?????vx

4?????????

5??????????

??2???5??? (?????????????? ????????)????(?“??????”)5??????,?????(1????????28?2?4???),????????45????,??24.4%??,????2.9??,????28%?

??,???????????1??????????????25?????????????1???26???????????7??,????1????????????24?2?4?????????,?????????????????????28.8??,??2.4?????????,???26.3%??????,??????????9.8???????????,?45.2%,??????????1.6?,????36.4%?

2???????????4?????????????,???????????,???3.2?,?2????????????????????6???????????????????,?????????????,???,???

???????,???????240?,???????240?,?,??????

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