A pentiunIII 500 can run at 8 times the speed of a DX4 100. But is also runs a lot hotter.
奔腾III 500 的速度比DX4 100 要快8倍,但运行时散发的热量要更大。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息,那么也许是让大脑得以休息?若不是下面两点,这种假使似乎是有道理的。