The self link is especially useful; if you ever end up with an Atom document that you didn't download yourself, this is your trail of breadcrumbs back to the canonical source.
self链接特别有用；如果有一个不是自己下载的Atom文档，那么通过该链接就可以回溯到规范来源。
The self link is especially useful; if you ever end up with an Atom document that you didn't download yourself, this is your trail of breadcrumbs back to the canonical source.
self链接特别有用；如果有一个不是自己下载的Atom文档，那么通过该链接就可以回溯到规范来源。
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