开发一个业务流程模型，显示重要域对象的生命周期中的主要里程碑。

Develop a model of the business process, showing the major milestones in the lifecycle of an important domain object.

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但是，将会是有一个主要里程碑，是他们实际上制造一的时候。

There's going to be a key milestone, though, which is when they actually make one.

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模块三——确定商业模式，是经营业绩改善项目的一个主要里程碑。

Module 3 Defining the Business Model, is a key milestone in the Business Performance Improvement Program.

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