If no document was found, the user sees a message stating that no document with such a keyword exists.

如果没有找到文档，用户将看到一条消息指出没有带有该关键字的文档。

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If no such cookies exist, the user is forwarded to the portal login page so he can enter his credentials.

如果不存在此类cookie，则会将该用户转到该门户的登录页，以便他能够输入其凭据。

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What is important is that there is no such thing as a "non-branded" services. A user cannot have a "non-experience."

重要的是对于顾客来说，不存在什么“杂牌”产品或服务，用户无时不刻不在体验。

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While it has struck a deal with Microsoft to allow user data to power its Bing search engine, it has made no such arrangement with rival Google.

BBC: Facebook and Google in data sharing spat