新东方在线雅思网第一时给大家带来了雅思写作提纲：公共场合的监视器。希望以下内容能够为同学们的雅思备考提供帮助。新东方在线雅思网将第一时间为大家发布最新、最全、最专业的雅思报名官网消息和雅思考试真题及解析，供大家参考。

　　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’s privacy.

　　Being photographed and recorded by the camera,很多人feel uncomfortable and no privacy.特别是女性，有些人可能会将camera获得的资料用于illegal use.

　　3. 尽管有缺点，但是为了public safety ， 监视器是有必要的。但是应该尽可能balance the need for security with respect for individual’s privacy and freedom.