Researchers also point to the time sink that is involved in preparing data for others to view.

研究人员还指出了在准备数据供他人查看的过程中会消耗时间。

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Specifically, they focus on preparing data for analysis — the task that usually accounts for 80 percent of the schedule for most data warehouse projects.

将特别关注为分析准备数据——该任务通常占大多数数据仓库项目计划的80%。

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You will spend most of your time cleaning and preparing data.

你总是需要花费大量的时间准备和清洗数据。

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You will spend most of your time cleaning and preparing data.

你总是需要花费大量的时间准备和清洗数据。

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