certify,attest和testify的区别?

四个同义词的区别certify,testify,verify,justify四者的区别 witness testify 的区别 高一英语）attest 和 confirm 的区别 attest 和 prove 有什么区别 certify和prove有什么区别? verify,confirm,substantiate,testify有什么区别? certify certificate 区别 assurance,attest,audit engagement vertify,confirm.certify之间用法有什么区别 请教该句的意思We certify that your trust balance in our bank stand 英语翻译WE CERTIFY HEREBY THAT:这是篇受益人证明里的正文：ORIGINAL FROM A (G.S time is able to testify my love to you