问题描述： serve as 与 be served as?两个有什么区别.说些具体的例句. 1个回答 分类：英语 2014-12-08 问题解答： 我来补答 serve as 充当,用于be served as 被充当,被用于J.K.Rowling's story may serve as an example of failure-to-success.J.K.Rowling's story may be served as an example of failure-to-success. 展开全文阅读
