当然！他想。他触摸了屏幕。这是一个触摸屏！边缘周围的红灯必须是红外传感器。蒂姆从未见过这样的屏幕，但他在杂志上读到了有关它们的信息。他触摸了重置/恢复。
(Of course! he thought. He had touched the screen. It was a touch screen! The red lights around the edges must be infrared sensors. Tim had never seen such a screen, but he'd read about them in magazines. He touched RESET/REVERT.)