There are about 36 million security systems in the United States, half of them in homes.
http://www.nytimes.com/2010/05/01/your-money/household-budgeting/01wealth.html?pagewanted=all&_r=0
There are about 36 million security systems in the United States, half of them in homes.
http://www.nytimes.com/2010/05/01/your-money/household-budgeting/01wealth.html?pagewanted=all&_r=0
• 保安系统是用于主人不在家的场合。今天的盗贼都是亡命之徒,枪的普及遏制很大部分的盗窃案 -虎落平原- ♀ (0 bytes) () 12/19/2012 postreply 10:30:36