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！
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。
Mac OS X is the world's most advanced operating system.
世界上最先进的操作系统。
Mac OS X is the world's most advanced operating system.
世界上最先进的操作系统。
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