????:1?????vx:??9598?????

2?????

3???????

4???????

5???????

????????6?????28??? ????????(NBC)28???,???,?????????,?????????????????

?????????????????????????:???(NBC)??

?????????,???,“???????????????????????????????”????24?,?“??”??????????????????????????????,“??”????????????????????,?????????

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

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

??????????,????????,??????????,“????????????????????????????,???????”

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