1. 安裝監(jiān)視器的優(yōu)點(diǎn)：
利用監(jiān)視器可以幫助警察catch criminals, thus reducing crime. a camera is more effective than security guards. 警察和保安不可能全天24小時(shí)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. 缺點(diǎn)：
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.特別是女性，有些人可能會(huì)將camera獲得的資料用于illegal use.
3. 盡管有缺點(diǎn)，但是為了public safety ， 監(jiān)視器是有必要的。但是應(yīng)該盡可能balance the need for security with respect for individual’s privacy and freedom.
利用監(jiān)視器可以幫助警察catch criminals, thus reducing crime. a camera is more effective than security guards. 警察和保安不可能全天24小時(shí)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. 缺點(diǎn)：
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.特別是女性，有些人可能會(huì)將camera獲得的資料用于illegal use.
3. 盡管有缺點(diǎn)，但是為了public safety ， 監(jiān)視器是有必要的。但是應(yīng)該盡可能balance the need for security with respect for individual’s privacy and freedom.