perform a role

For example, we often want to consider: can a certain role perform a particular operation upon a specific object?(例如，我们经常要考虑这样的问题：特定角色是否可以对特定的对象执行特定的操作？)

It is implied by the directive, that there is a business role within the bank called "teller" and that people perform that role.(这个指示暗示银行中有称为“出纳员”的业务角色并有担任这个角色的人。)

A single person or a team could perform the user role.(一个人或一个团队可能担任一个用户角色。)

When actually performing this work in a project, a project manager can still decide whether to assign one person per role or to have that person perform several roles at the same time.(实际上，当在一个项目中执行某个工作时，项目经理仍然可以决定是否一人一个角色或者一人同时执行多个角色。)

The roofs covering a portion of the building perform a role that is both symbolic and environmental.(屋顶只覆盖了建筑的一部分，起着象征和环保的作用。)

They perform a crucial and valuable role but our survey shows the NHS is playing a high risk game by relying on these overseas staff to commit long term to the NHS.(巴肯说：“这些人在实际工作中扮演着至关重要且卓有成效的角色，但我们的研究显示，NHS指望这些人长期为其提供服务的做法不啻于在玩一种具有高度危险性的游戏。”)

Aluminum panels are incorporated into this skeleton to form a positive connection and perform a load-bearing role.(铝面板纳入本骨架，形成一个积极的连接，并执行一个承重的作用。)

And experts say that for some people, stuttering disappears when they speak to infants or animals, imitate a foreign dialect, or perform a role onstage.(专家说，对一些口吃者来说，跟婴儿或动物说话，模仿外国口音，或者上台表演时，口吃会消失。)

While there are certain "core" functions that the majority of EPMOs perform, the role, the staffing, and the services or functions delivered vary to a surprising degree from one enterprise to another.(虽然大部分EPMO都执行某些“核心的”功能，但是角色、人员配备，和所交付的服务或功能在企业和企业之间有令人惊奇的差别。)

A role can represent multiple users, but it also represents the permissions that a set of users can perform.(一个角色可以代表多个用户，但它也代表一个用户集可以执行的权限。)