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In very busy systems, the need to broadcast the data can also mean that the information is never reported, the data can be out of date, or the system could be reported as down when it is just busy.

在非常繁忙的系统中，对这些数据进行广播的需求可能也就意味着永远无法报告这些信息，这些数据可能过期，或者在系统繁忙时将其报告为停机。

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It is also assumed that a possibly existing caching infrastructure in the form of proxy servers or browser caches could never be leveraged.

另外，传统上还认为永远不能使用可能的代理服务器或浏览器缓存形式的现有缓存基础设施。

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It might go left or right or it might go straight, but he could never be positive.

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But when it was sold, Odeon put a covenant on the building stating it could never be used as a cinema or for theatrical purposes.

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Speaking in Omagh on Monday, he said it was "now or never for the agreement - there could be no second chances, no replacement and no going back".

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