"Examples of roles might be administrator, user, hruser, and so on," he continues. "They're just names for some category of actions that is meaningful for the application or environment."
“角色的例子可能有管理员、用户、人力资源部用户等等”，他继续说道，“它们只是某类动作的名称，并且只对应用程序和环境有意义。”
The words used in a language are simply labels of the objects they stand for. So words are just names or labels for things.
就是一门语言中所使用的词仅仅是其所代表的物体的标记。所以，词语只不过是其所代表的事物的名字或标记。
What's more, they are just names which can be easily changed.
更重要的是，它只是名字，可以随便改的。
What's more, they are just names which can be easily changed.
更重要的是，它只是名字，可以随便改的。
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