市场被细分的特点越多，经理对客户的了解就越准确。

The more characteristics the market is segmented by, the more precise the manager's knowledge of the customer is.

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防御：速度让团队有充足的理由对经理和客户说“不”(或“是”)。

Defense: Velocity gives the team legitimate ammunition to say no (or yes) to managers and customers.

youdao

需要承认的是，对许多项目经理来说在项目的一开始就把一个客户列举的所需特征里的64%排除也许是不可能的。

Granted, it may not be possible for many project managers to eliminate 64 percent of the required features a customer lists at the beginning of a project.

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