例如，业务需求的建模、业务优化的建模和执行的建模将需要不同的知识和技能，或许还需要其他工具。

For example, modeling for business requirements, modeling for business optimization, and modeling for execution will require different sets of knowledge and skills, and perhaps additional tools.

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每个入侵者都有不同的动机、不同的技能和知识、不同的访问入口以及不同的需求级别。

Each of these intruders has different motivations, different skills and knowledge, different access, and different levels of need. For example.

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例如，一个叫作“划分需求优先级”的任务需要来自不同角色的技能和专业知识。

For example, a task called "prioritize requirements" needs to combine skills and expertise from different roles.

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