他又触摸屏，滚动球，标准的传统键盘和屏幕下的四个按钮。
Multiple ways to navigate. You've got the touch screen, roller ball, full qwerty keyboard and the four buttons below the screen.
大部分智能手机的键盘已经不再使用较为昂贵的机电键盘，取而代之的是虚拟键盘，不过也有几个显著例外，比如黑莓手机还有使用标准传统打字键盘的短信手机。
On smartphones, virtual keyboards have largely replaced the more expensive electromechanical keyboards, with a few notable exceptions such as BlackBerries and QWERTY texting phones.
与此同时，为标准鼠标和键盘设计的用户界面拥有更小、更复杂以及更精准的操作和导航元素，若迫使让主要面向平板电脑的Windows 8界面使用在传统Windows上，微软可能会精简大多数用户日常工作所依赖的操作上的精确度。 < o<="" span="">
By forcing the tablet-focused Windows 8 UI on traditional Windows, Microsoft could end up removing much of the power and precision that most users rely on to do their daily work.
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