Apple's Mac Pro workstations can hold 32gb of RAM, but 32-bit applications can only take advantage of 4gb of that memory.

苹果的Mac Pro工作站电脑具有32gb的随机存取内存(RAM)，但32位应用程序只能利用其中的4gb。

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New products, he said, could include typical refreshes of the Mac Pro, a processor upgrade for the MacBook Pro, and a new iPod shuffle.

据他表示，苹果可能发布的新品包括新款Mac Pro机型--这是一种Macbook Pro笔记本升级处理器后的新产品；还包括一款新的iPod shuffle播放器。

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The first example comes from the "Performance" section of the Mac Pro website, and is a perfect example of a well-constructed tab element.

第一个例子来自 Mac Pro website 的“Performance” section。 这是一个良好构建的选项卡（tabs）元素的完美例子。

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But Mac Pro users have been forced to use the same-old machine for quite some time.

FORBES: Apple Fans Want a Product the Company Won't Make

Some have speculated that the Mac Pro is no longer profitable for Apple.

FORBES: Apple Fans Want a Product the Company Won't Make

Several thousand people are willing to give Apple thousands of dollars for a new, highly configurable and upgradeable Mac Pro.

FORBES: Apple Fans Want a Product the Company Won't Make