foreign service instituteglossary / FOREIGN SERVICE INSTITUTE Foreign Service Institute. A unit in the U.S. Department of State responsible for training officers and employees of the Foreign Service as well as personnel in other agencies. — Abbr. FSI. 词条贡献者 译者Henry,毕业于世界顶级翻译学院,擅长翻译各种与企业管治相关的法律文件。