those in an organization responsible for preventing spying or theft
双语例句
1
Disregarding their own security, those embassy staffs staying in Lebanon managed to organize the evacuation of another two groups of Chinese citizens.
使馆留守人员不顾个人安危，相继又组织了两批人员撤离。
2
Further strengthening the construction site safety and constantly upgrading the security quality of staffs is a prerequisite to improve construction site safety management.
进一步加强施工现场安全生产教育，不断提高全员安全素质，是搞好施工现场安全管理的前提。
3
But some business sectors are very special, there is the difficult, high cost, security risks and other factors in training staffs.