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