You place much of your content in elements by surrounding your content with tags.

您通过以标记包围内容的方式将大部分内容包含在元素中。

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The variables are often expressed using XML, which provides a flexible framework for document authors to describe content using custom tags and markup.

这些变量常常用XML表示，XML提供了一个灵活的框架允许文档作者使用自定义的标签和标记描述内容。

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And finding the content amidst the tags makes skimming difficult.

而且，在标记当中查找内容使得略读也很困难。

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Advertisers will be able to insert targeted ads into the massive number of amateur videos on the Internet, many of which often weren't intended to generate revenue and so carry no content-related tags.

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That means that automatic ad targeting isn't limited to the relatively small amount of video content generated by media companies and savvy bloggers who carefully label all of their content with text tags, he says.

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Integrating collaboration as a horizontal layer into the enterprise app incorporates new data types such as conversations, tags, comments and other collaboration content into the enterprise app itself.

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