The answer was the US Navy, which was hungry for new pilots after World War Two. It was not building rockets but at least it involved flying.
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而 MacBook 那个比鼠标还好用的触控板，不仅基础的拖动点击都指哪打哪，还支持各种实用的手势，某种程度也承担了触控屏的作用。
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