Apple Mac OS X (10.4 or higher).

苹果Mac OS X(10.4或更高版本)。

youdao

However, the language is alive and well, as the core APIs for the Apple Mac OS X operating system were developed in Objective-C.

无论如何，这种语言还存在，并且Apple Mac OS X操作系统的核心api都是用Objective - c开发的。

youdao

(If that's the case, wouldn't it also be a threat to Apple and Mac OS, an argument I've not seen this morning?)

(如果这是对的话，它是不是也是对Apple和Mac OS，甚至今天我没有看到的争论的一个威胁？)

youdao

If you've ever noticed, Mac OS has its Apple menu on the top left and Windows has its start menu in the bottom left, really for no compelling reason.

如果你注意到，你会发现，Mac操作系统,在其左上角是Apple菜单，Windows却把它的开始菜单,放在左下角，毫无理由可言。

哈佛公开课 - 计算机科学课程节选

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Apple, the Apple logo, Mac, Mac OS and Macintosh are trademarks of Apple.

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