From forms to contents, from semantic characteristics to functional utility and so on, metaphor and simile share differences that can be explained only by making clear the different sources of each.

• 隐喻和明喻从形式到内容、从语义特征到功能效用等方面的一系列不同特征，只有在这一本源性质区别的意义上才能得到终极的说明。