?? ???????:“?????????”
????:1?????????????:?????????
2??????????
3?????vx
4???????
5???????
??????????1??30?????? ??,????29????,????????????,???????????“???”?????????????????????????,?????“?????????”,“???”?
????,????????????:“????????????????????????????????????,???????,?,????????????????????????????,??????,????????????”
?????????1????????????????29?,???????????????????,????????????,????????????????????,?????“??????????????????”????????????,??60?4?????????,???64???????????
????????????????????????(CNN)????,???,?????????,??????????????????18??????
???,??????????1?????????31???????????????5?? ??????????:??????????