不过，你也可以随心所欲地在每个类别内添加删除订阅源。
You can, though, add and delete feeds within a category if you so desire.
提要源只不过是一种URL，在这个URL，特定的内容提供者定期地为给定的信息类别连锁内容。
A feed source is nothing but a URL at which a particular content provider periodically syndicates the content for a given information category.
产品信息页的“新闻” (News) 部分包含来自产品支持新闻源的信息，按类别进行组织，如快报、修复、技术说明书等。
The News section of the product information pages contains information from the product’s support news feed, organized by categories such as flashes, fixes, technotes, and so on.
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