主体和分组是实体的一种。

Principals and groups are types of entity.

youdao

典型的访问控制和授权场景包括三个主要实体：主体、资源和动作以及它们的属性。

A typical access control and authorization scenario includes three main entities — a subject, a resource, and an action — and their attributes.

youdao

为了创建策略目标，需要定义属于主体、资源和动作这三种类型的实体的属性和属性值。

To create a policy target, you need to define attributes and their values that belong to one of three categories: subject, resource, or action.

youdao

And so he concluded, "I knew that I was a substance, the whole essence or nature of which is to think, and that for its existence, there is no need of any place nor does it depend on any material thing.

因此,他总结到,"我知道我是个实体,是思考主体的本质或本性,而这种思考主体的存在,无需任何空间,也不依赖于任何有形实体

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