I gave her a copy and kept the original document myself.我给了她复印件，原件自己保存。It must be certified as a true copy of the original document.必须鉴定这是原始文件的真实副本。The original document has been lost or destroyed.原始文件已丢失或毁坏。I sent him the original document, not a photocopy.我寄给他的是原件，不是复印件。