Dogs can be an effective home security system.
狗狗会提高家庭的安全系数。
On behalf of everyone at Fortress security system, I am very sorry for the recent breakdown of you home security system.
谨代表要塞保全系统全体，对最近贵府家用保全系统的故障深表歉意。
They include International Paper Co., whose directors spent $52, 000 in 2006 to install a home-security system for CEO John V. Faraci after the company's headquarters moved to Memphis, Tenn.
公司总部迁至孟菲斯后，该公司2006年花费52,000美元为首席执行长约翰•法拉奇(JohnV.Faraci)安装了住宅保安系统。
They include International Paper Co., whose directors spent $52, 000 in 2006 to install a home-security system for CEO John V. Faraci after the company's headquarters moved to Memphis, Tenn.
公司总部迁至孟菲斯后，该公司2006年花费52,000美元为首席执行长约翰•法拉奇(JohnV.Faraci)安装了住宅保安系统。
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