When you are use-case modeling, your goal is to use actors to model roles and not the physical, real-world people, organizations, or systems themselves.

当进行用例建模时，您的目的是使用参与者来对角色建模，而不是对物理的、现实世界的人、组织或系统本身。

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The fact that the same physical person might take on both roles at some juncture is irrelevant, there are two logical participants: the employee and the manager.

事实上，同一个自然人在某一时刻扮演两个角色并不冲突，因为有两个逻辑参加者：雇员和经理。

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Support the change of roles among primary health care staff from working predominantly with physical disorders to a more holistic approach to health care that incorporates physical and mental health.

支持初级卫生保健工作人员中角色转变，从主要处理躯体病症转为将躯体和精神健康相结合的更为整体的卫生保健做法。

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Robert Cone, the chief of the Army's Training and Doctrine Command, said the services are developing new physical standards to make sure recruits are capable of meeting the physical demands of combat roles.

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Many members are prepping for roles with unique physical demands.

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Not physical distance but that between the roles, processes and people that an employee commonly interacts with.

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