问题描述： As an old saying goes,f is the mother of success 1个回答 分类：英语 2014-11-16 问题解答： 我来补答 As an old saying goes,failure is the mother of success俗话说得好：失败是成功之母As an old saying goes俗话说得好,古人云,是惯用法 展开全文阅读
