From this simple intuition it is already clear that domains often do not have a greatest element, since this would mean that there is an element that contains the information of all other elements—a rather uninteresting situation.
从这个简单直觉例子中，已经明显的看出域经常没有最大元素，因为这将意味着有一个元素包含所有其他元素的信息 - 这是一个非常无趣的情况。