Copying data is a relatively expensive, time consuming task.

复制数据是一个比较昂贵耗时的任务。

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Manually written technical documentation is usually a tedious, boring, and time consuming task.

手工编写技术文档通常很乏味、无聊而且很耗时间。

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Typically, a PHP application's most time-consuming task is data retrieval.

通常，PHP应用程序中最耗费时间的任务是数据检索。

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Airwash also does away with the expensive, time-consuming task of going to the dry cleaner.

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When rifling through your inventory, picking a lock, or doing any other small time-consuming task, you basically lose temporary control over your character.

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Search has also replaced the time and energy we once used to find resources with the time-consuming task of evaluating all the sources that are out there.

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