v.签名，签名于（文件或信等）末尾

I, John Smith, do hereby undersign this contract, acknowledging its terms and conditions.
我，约翰·史密斯，特此签署这份合同，确认其条款和条件。
Please undersign the letter to confirm your agreement with its contents.
请在信件下方签名以确认您同意其内容。
The undersigned agrees to be fully responsible for any damages caused.
签名者同意对造成的任何损害负全责。
The undersigned parents give permission for their child to participate in the field trip.
签名的父母同意他们的孩子参加这次实地考察旅行。
Undersigned witnesses attest to the authenticity of this document.
签名的见证人证明此文件的真实性。
By undersigning this application, you confirm that all information provided is accurate.
通过签署此申请，你确认提供的所有信息都是准确的。
The undersigned acknowledges receipt of the goods as per the invoice.
签名者确认已按照发票收到货物。
Undersigned parties agree to resolve disputes through arbitration.
签名方同意通过仲裁解决争端。
The undersigned certifies that he or she has read and understood the instructions.
签名者证明他或她已经阅读并理解了指示。
In witness whereof, the undersigned have executed this agreement on the date first above written.
据此，签名方在上述日期首先书写时执行了此协议。