????:1????????:??????????

2????????????

3?????

4???????

5???tv????app??

?2?????????3???? ?????????????????????????????????(BBC)???(NBC)??,????????????2???2???????????,????,???“?????”?????????????,????????????“?????”?

??:???

?,????,“??????????????????(?)???????,??,?,??,?????”

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

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

????????????????,“??????,??????????”

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

????:??????