As it happens, a razor that is safe in Europe is unlikely to electrocute Americans.

碰巧在欧洲使用安全的剃须刀不大可能使美国人触电身亡，

The great cities have been built with no regard for us.

大城市的建设毫不关心我们。

First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,

第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，

symbols of courage, power, and cruelty,

象征着勇敢、力量和残暴，

later, we shall undergo a progressive loss of our vigour and resistance which, though imperceptible at first,

再迟一些，我们就要经历生命力和抵抗力逐步衰退的过程。虽然这个过程起初难以觉察，

do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).

也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。