iPad平板电脑在乔布斯的坚持下，只依赖于触摸屏导航-尽管行业分析师表示，企业用户特别需要一个手写笔。
The iPad tablet, at Mr. Jobs's insistence, relies on only touch-screen navigation - even though industry analysts said business users, in particular, would want a stylus.
行业分析家估计，个人导航设备的销售量将从2006年的大约1400万部，增加到2011年的大约5600万部。
Industry analysts estimate that sales of PNDs will grow from approximately 14 million units in 2006 to approximately 56 million units in 2011.
“沉默旅行者”与旅行目的地的旅游行业几乎没有直接互动，他们更喜欢使用移动设备来导航、做出安排、以及寻找信息。
Silent traveler has almost no direct interaction with a destination's tourism industry, preferring instead to navigate, make arrangements, and find information using a mobile device.
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