Something we don't have an evolutionary reason to do, we don't have a specialized part of the brain for, and we don't do that many hours of the day.
一些我们没有一个演化原因会做得好的事情； 一些在大脑中没有专责部分处理的事情； 一些我们在一天里，不是花那么多时间做的事情。