??
??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%???????????????