由于HTTP是无状态的协议，不存在有关用户在查看另一个页面之前所查看的页面的固有信息。

Because HTTP is a stateless protocol, there is no inherent information about the page a user looked at previously before he or she looks at another one.

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超文本传输协议(Hypertext Transfer Protocol, HTTP)是Web应用程序的基础，是一种无状态的协议。

Hypertext Transfer protocol (HTTP), which is the basis for Web applications, is a stateless protocol.

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特别是，它是无状态、单向的协议。

In particular, it is a stateless, one-way protocol.

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