问题描述: books are to mankind what memory is to the individual.为什么用what? 1个回答 分类:英语 2014-09-30 问题解答: 我来补答 书籍对于人类就好比记忆对于个人用了一个结构A is to B what C is to D..相对于...就好比.相对于... 展开全文阅读