他们安装了监控摄像头作为对小偷的威慑。

They've installed a security camera as a ___deterrent to thieves.

国家援助成为找工作的一个阻碍因素。

The state assistance acts as a ___deterrent to finding work.

严厉的惩罚对潜在犯罪者起到了威慑作用。

The harsh punishment serves as a ___deterrent to potential offenders.