mayhanlimei
assurance [E5FuErEns] 确信, 断言, 保证, 担保sure [FuE] 对....有把握, 确信某事, 可靠的adv.的确, 当然(例如:Are you sure?你确定吗?)
阿里上市前
confident / make sure / be sure of 确信我们确信能胜利。We are confident of victory.Can you really be sure of his honesty?你真的能肯定他是诚实的吗?我确信在那儿我会过得非常快乐。I am sure I will enjoy myself there.