Most often, it is waiting for data to return from disk.

最常见的情况是等待磁盘返回数据。

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Second, do not fall into the trap of waiting for data that just does not exist.

第二，不要苦等不存在的数据。

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The end result is that the application is never waiting for data as it is always available in local memory to be fetched.

最终的结果是，应用程序永远不用等数据，因为数据总是在本地内存中等待应用程序来取。

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The decision was unusual because instead of waiting for data, Merck decided, based on the study's design, that the trial was unlikely to provide a clear answer.

FORBES: Is Merck Flying Blind?

ImClone is now waiting for more data from this study to look at whether patient with normal kras also lived longer.

FORBES: ImClone Gets Targeted

However, to date, only two have been recovered and they are waiting for the data to be extracted from the devices.

BBC: Tags reveal puffin food 'hotspot'