在定义人工任务时，可以选择一个授权角色，如“潜在所有者”，并将其与任务编辑器中提供的谓词集中的一个人员谓词关联。
When you define human tasks, you select an authorization role, like "potential owner," and associate it with a staff verb from the verb set offered by the task editor.
不过，如果角色与上下文相关(基于具体的应用程序使用情况)，则可能需要购买或构建授权框架。
However, if roles are contextual, based on specific usage of the application, then there may be a need to buy or build an authorization framework.
正如前面讨论自定义基于角色的授权时所提到的，可能会存在数据视图与上下文相关的情况，并不能仅简单地基于静态角色对其进行调整。
As in our earlier discussion of custom role-based authorization, there may be situations where the view of data is contextual such that it cannot be simply adjusted based on static roles.
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