Video games: Existing virtual worlds are built on closed, proprietary platforms, like early online services.

视频游戏：就像早期的在线服务那样，现有的虚拟世界都是建造在封闭，独有的平台之上。

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If a slide contains video closed captions and then you add audio closed captions, the latter takes precedence.

如果幻灯片包含视频式隐藏式字幕，并且你添加了声音隐藏式字幕，则后者优先。

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They said she was "positively identified" from closed-circuit video.

警方说，已通过闭路视频“绝对确认了”她就是视频中的人。

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Closed-circuit video footage showed the suspects as they seized about 65 statuettes, Greece's official AMNA news agency reported.

CNN: Manhunt launched in dramatic Greek museum robbery

Gotcha: Need a closed-circuit video camera?

CNN: Top 10 video tools

Kodak, the maker and inventor of the digital camera, has closed its digital camera and pocket video cam business today.

FORBES: Kodak Closes Camera Business