Affidavit 是指一份经授权人签署的文件。经常用于验证文档的翻译与原始语言意思一致。

A document becomes an affidavit when a person signs the document, in the presence of an authorized person, after taking an oath that what the document says is true and accurate.

An affidavit is often used in order to verify that a translation of a document accurately reflects what is stated in the original language of the document.