The most remarkable difference of the Internet from TV and video is that it is "interactive", that is, it allows two-way communication.

互联网和电视、录影带最明显的不同在于它是“互动的”，也就是说它允许双向沟通。

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Video clips are a good way of making candidates look two-faced.

视频片段能够很好地展现出竞选者们截然不同的两面性。

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Two months ago, on a wooded path in upstate New York, a psychologist named Chris Chabris strapped a video camera to a 20-year-old man and told him to chase after a jogger making his way down the path.

二个月前，在纽约北部的林间小路上，一位名叫克里斯·沙布里(Chris Chabris)的心理学家把摄像机绑在一个20岁的年轻人身上，让他跟在一个沿着林间小路慢跑的人身后。

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Romo can learn new things over time and can stream two-way video with any iOS device, anywhere in the world.

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We did attempt to use Fring, but the app hasn't been optimized for the tablet yet, and we couldn't get two-way video calling working.

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The router then determines the user's security clearance and gives his machine the right data and services, from Internet phone to online chat to two-way video broadcast.

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