问题描述： be sure of 与 be sure about 的区别, 1个回答 分类：英语 2014-09-26 问题解答： 我来补答 e sure of 确信 例句：She looked over her shoulder to be sure of her footing.她扭头看了看后面以确认自已是否站稳了.be sure about 对.很有把握例句：You can be sure about their interest in it.你可以肯定他们对引很感兴趣. 展开全文阅读
