?? ??????????????????:???? ??
????:1?????ipad????????:??????
2?????600?????
3?????9295????
4???????????
5????????????
????11??????????22??????????????????? ???????(NBC)??????????????????????«?»????,????,?????,???????????,??????????????????
??????:????????(NBC)????????????????????????????,?????11???????21????«??????????????»??,??“?????????”,????(???????)???????
???,??,???????1.1?????(?????????????????????????????)???
??,???????????????“???”?????,?????,???
??:????????