Essentially, it's a larger version of the trackpads that ship with each MacBook and MacBook Pro.
本质上来说，它是一个放大版的触摸板，可与每一台macbook和macbook pro相兼容。
At 3.7 lbs, the 13-inch X1 weighs eight ounces more than Apple’s 13-inch MacBook Air but eight ounces less than the 13-inch MacBook Pro.
一台13英寸的X1笔记本电脑重3.7磅，比相同大小的苹果MacBook Air重8盎司，但比同样大小的MacBook Pro轻8盎司。
For example, if you want an Apple laptop, you can choose between a MacBook, a MacBook Air, and MacBook Pro.
比如说，如果你想买一个苹果笔记本，你可以挑选MacBook MacBook Air，或者MacBookPro， 仅此三种选择，没有其他的了。
The new $999, 13' MacBook now includes most of the key features of the similar-sized MacBook Pro, which costs $200 more.
售价999美元的新一代MacBook为13英寸屏幕，主要特点与同尺寸的MacBook Pro差不多，但价格要便宜200多美元。
A 13-inch MacBook Pro will cost $100 less at $1, 199, and the the 15-inch and 17-inch MacBook Pros will be $300 less expensive at $1, 699 and $2, 499, respectively.
13英寸的MacBook Pro将花费1,199美元比之前少100美元，而15英寸和17英寸的MacBook Pro将分别卖到1,699美元和2,499美元，比之前便宜了300美元。
A 13-inch MacBook Pro will cost $100 less at $1, 199, and the the 15-inch and 17-inch MacBook Pros will be $300 less expensive at $1, 699 and $2, 499, respectively.
13英寸的MacBook Pro将花费1,199美元比之前少100美元，而15英寸和17英寸的MacBook Pro将分别卖到1,699美元和2,499美元，比之前便宜了300美元。
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