I decided to install a security system to prevent any break-ins. 我決定安裝一個安全系統來防止任何闖入。
User authentication is one part of a security system for protecting your data. 用戶鑒定是保護數據的安全系統的一部分。
And it is saddled with unfunded pensions from the pre-reform era, when industrial workers enjoyed a cradle-to-grave security system. 改革前，中國工業工人享受的是終身保障機制，而沒有建立退休金保險系統。
A key Senate Committee has approved a sweeping remake of the country's health care system,delivering a long -sought boost to President Obama's goal of expanding coverage. 一個關鍵的參議院委員會已經批准了一項國家醫療保險系統的徹底改造，兌現奧巴馬長期追求的擴大覆蓋範圍的目標。
