下面新东方网雅思 频道为大家整理了雅思 写作话题提纲：公共场合的监视器，供考生们参考，以下是详细内容。
在公共场合(超市)安装监视器
1. 安装监视器的优点：
利用监视器可以帮助警察catch criminals, thus reducing crime. a camera is more effective than security guards. 警察和保安不可能全天24小时工作，而camera will not feel tired.而且它更objective, sometimes our eyes might deceive us, while a machine can exactly record what happens, it can prevent much unnecessary embarrassment. Frighten off the criminals and reduce potential crime.
2. 缺点：
Critiques about installation of surveillance typically look at the infringement of people
