一专家职位通常没有任何特别的管理角色，但是要要很高级技术或专家知识。
A specialist position is normally envisaged to be one that may not have any particular managerial role but requires a very high level of technical or artistic expertise.
网络时代的图书馆员扮演着文献信息搜集者和管理者、信息导航者、信息专家、信息经纪人及教育宣传者等多种角色。
In the time of Internet librarians play parts of collector and manager of literature information, information guider, information expert, information broker and the part of making education publicity.
不同于计划护理，首席医生们在这个系统里扮演着从守门人到专家的角色，目标不是管理护理而是管理成本。
It is unlike managed care, in which primary doctors act as gatekeepers to specialists and the overriding goal is not managing care but managing costs.
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