??
???????????????????2?1? ??????????????,????1?????31?????????,?????,????2??????????1?25%???
????????????(CNN)??????????,????,???24???
??????1?30??,?????,??????????????????2????????1????25%??1???31??,????????,????????,?????“?”?
?????????1??31????????,??“?”????“????????,???????????A???????B?C??(???)?”
?1??31?X?: “?????????????????,?????????????” ?????:????????????
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???????????????????:??2??1?25%???????????????