security clearance

剑桥词典

official permission for a particular person to enter a building or area or to be given an important job , after making certain that they are not a threat
保安许可证
Some defence jobs require security clearances that are only issued to native-born citizens . 有些国防部门的工作要求申请人持有保安许可证，而这些许可证是只发给本国公民的。 返回 security clearance