The idea of security starts with our own local operating system (OS) environment.
安全理念起源于我们自己的本地操作系统(OS)环境。
Apple thinks so, to judge from its new Mac OS X Lion operating system.
从最新发布的苹果MacOSLion操作系统不难看出，苹果就是这么想的！
Mac OS X is the world's most advanced operating system.
世界上最先进的操作系统。
The most important program on any computer is the Operating System or OS.
在所有的计算机上，操作系统是最最重要的程序，也叫os。
The most important program on any computer is the Operating System or OS.
在所有的计算机上，操作系统是最最重要的程序，也叫os。
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