政府雇员可能要接受安全部门的审查。
Government employees may be screened by the security services.
所有潜水艇基地的雇员必须得到安全部门的审查许可方可录用。
All employees at the submarine base require security clearance.
该校安全部门的荣生表示：“过去，我们学校的保安在放学后不得不站在路中间阻止汽车。”
Rong Sheng from the school's safety department said, "In the past, our school safety guards had to stand in the middle of the road after school to stop the cars."
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