????:1?????????:??????????

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

3?????

4???????????

5?????

???1?????20? ??1?????????20???,???????,????47???

???,????????????,??????,?????????????

??,?????????,????????“??”,??

??:??

???:??

???????????:??? ?????

??:?????????

???:??

??:?????????? ??????? 

???????:????????????(CNN)????

?????:??