角色表示一种类型在一个特殊的上下文中可能拥有的临时从属关系。

Roles represent temporary affiliations that a type might have in a particular context.

youdao

角色表示一种类型在一个特殊的上下文中可能拥有的临时从属关系。

Roles represent temporary affiliations that a type might have in a particular context.

youdao