There's a video-sharing ability, by which you can watch videos with other people, though your interactions are limited to a chatroom besides the video.
通过一个视频分享的功能，你可以同其它人一起观看视频，不过你们的互动仅限于视频以外的聊天室。
2
YouTube is a free video-sharing website.
YouTube是一个免费的影片分享网站。
3
Microsoft now claims that it has decided to build its own video-sharing business.