从概念上讲，从第一次顾客联系到完成工作和帐单支付的整个业务表示单个宏观层次的工作单元，并具有数天到数周不等的生命周期。

Conceptually, the entire business from first customer contact, through completion of the work and payment of the bill, represents a single, macro-level unit of work, with a lifetime of days to weeks.

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因此，非常关键的是任何由转换修改了的部件会保存所有并非直接联系到转换的原始单元的信息。

Therefore, it is critical that any artifacts modified by the transformation preserve all information that is not directly linked to the originating elements of the transformation.

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将联系数据集合拖拉到重要工作项表格的空白数据单元中。

Drag the links data set to an empty data cell in the milestone items table.

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