serve as 与 be served as?
问题描述：
serve as 与 be served as?
两个有什么区别.说些具体的例句.
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.