His sketches at the time showed a credit-card-sized player with a rectangular screen and a central menu button to scroll through a selection of music tracks - very similar to the iPod.
他当时的设计草图表明，这个信用卡大小的播放器带有矩形显示屏和中心控制键，转动这个键可以选择音轨，而这些都与现在的iPod极其相似。
His sketches at the time showed a credit-card-sized player with a rectangular screen and a central menu button to scroll through a selection of music tracks - very similar to the iPod.
他当时的设计草图表明，这个信用卡大小的播放器带有矩形显示屏和中心控制键，转动这个键可以选择音轨，而这些都与现在的iPod极其相似。
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