You can expand on this with other formats (Kindle, epub, video, audio) but you don't need to do that to start.

你可以把它扩展到其他形式(Kindle, epub，视频，音频)。但你一开始时并不须要这样做。

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It can detect many types of errors in EPUB.

它可检测EPUB中许多类型的错误。

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The EPUB format is an efficient method of presenting documents.

epub格式是一种呈现文档的有效方法。

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"Collections can be exported in a variety of formats like PDF, EPUB, or OpenOffice, " Wikipedia says.

CNN: How to turn Wikipedia into an e-book

Many can also be downloaded as an ePub for iBooks reader app for iPad and iPhone.

FORBES: eBook Evolutions: Instructables

Kobo supports ePUB file formats including rich text and images, offering a top-quality reading experience.

ENGADGET: Kobo launches e-reader app for Android Mobile