Therefore, time passes without us really noticing it, and seems to go quickly. However, if the brain is not stimulated in this way, it concentrates its full energies on monitoring the passing of time.
所以,我们还没真正注意到时间,时间就已经过去了,而且似乎过得特别快。然而,如果大脑并没有受到这样的刺激,它就会把全部精力用来监控时间的流逝。