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。
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。
The option panelchanges to display video related options, such duration, publication date, quality, and only closed caption (i. e. with subtitles). choosing blogs will return only blog posts.
选项面板变为展示视频相关的选项，比如时长、发布日期、质量和带字幕（例如：带字幕）。
The option panelchanges to display video related options, such duration, publication date, quality, and only closed caption (i. e. with subtitles). choosing blogs will return only blog posts.
选项面板变为展示视频相关的选项，比如时长、发布日期、质量和带字幕（例如：带字幕）。
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