纽约市警察局的发言人保罗·布朗恩说：“探头的需求在增加，我们也是越装越多，探头有助于我们解决犯罪问题，它们会起到震慑的作用。”
"As cameras proliferate, as we build more of them, they become more instrumental in solving crimes. They also act as a deterrent," said Paul Browne, a Police Department spokesman.
结果并不支持死刑有震慑作用的想法。
把电视或者收音机开大声，会比最好的警报系统更具有震慑作用。
A loud TV or radio can be a better deterrent than the best alarm system.
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