Django Book 翻译
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原文:
The ``Vary`` header defines which request headers a cache mechanism should take into account when building its cache key. For example, if the contents of a Web page depend on a users language preference, the page is said to vary on language.
翻译:
``Vary`` 头标定义了缓存机制在构建其缓存键值时应当将哪个请求头标考虑在内。例如,如果网页的内容取决于用户的语言偏好,该页面被称为根据语言而不同。
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