This includes webcasts, keynote speeches, corporate presentations, video-based training and e-learning, video tutorials, event highlights, and so on.

这包括网络广播、主题演讲、公司展示、基于视频的培训和电子学习、视频教程、活动集锦等。

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You probably already have a lot of content: Web pages, PDFs, white papers, presentations, case studies, perhaps some videos and Webcasts and blog entries.

或许你已经有很多内容了，比如网站，PD F文档，白皮书，演示文稿，案例分析，或许还有一些视频，网络广播和博客。

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