For instance the cookie, the gingerbread man, the gingerbread woman or whichever one of the cookies you want to introduce first and focus just on getting that cookie to dance.

比如这个饼干人，男姜饼人，女姜饼人，或者随便任意一个,你想最先研究的饼干人,让它跳舞，跳起来。

哈佛公开课 - 计算机科学课程节选

I think so. But video phone has been very hard to achieve. It's either been to be expensive, or too crowded, or can we use the internet to finally introduce video phone and this is different from video on-demand.

我也这么认为，但视频电话要成功很困难,它要么很贵，要么很拥堵，或者我们是否可以使用互联网引入视频电话,这与随需视频是不同的。

麻省理工公开课 - 媒体、教育、市场课程节选