论文部分内容阅读
你有没有注意到,我们周围的许多事物,只出现两种情形?电灯不是开的,就是关的;婴儿不是睡着的,就是醒着的;门不是开的,就是关的;吊桥不是升起的,就是放下的。
Have you noticed that there are only two situations in many things around us? The light is not on, it’s off; the baby is not asleep, it’s awake; the door is not open, it’s off; the drawbridge is not up It is down.