?? ???????????????????
????:1??????????:??????
2???????
3???????
4?????ipad????????
5?????
??1?????7??? ??(CNN)?,?1??????????6???,??????????,??
????????????,????????,???,?????????????????????3????24??
???:???????????1?????7??? ??(CNN)?,?1??????????6???,??????????,??
????????????,????????,???,?????????????????????3????24??
???:?????????????:1??????????:??????
2???????
3???????
4?????ipad????????
5?????
??1?????7??? ??(CNN)?,?1??????????6???,??????????,??
????????????,????????,???,?????????????????????3????24??
???:?????????