?? ?????????????????!?? ?10?30??
????:1????????:?????????
2?????????
3?????wx????
4?????????
5??????????????
???1????????1??? ??(NBC)?,????????1???1????,??????????????????????????????????,????????????10??????????30???
?????????:????(NBC)??????????????????????,?????????????????,?????????????????,“??,???,?????????”?
???,????,??????????
????,?,?????????300????
????:????