以往的证明

【法】 former proof

以往的英语翻译：

before; formerly

证明的英语翻译：

prove; certify; argue; demonstrate; justify; manifest; testify; vouch
【计】 proofness; proving
【化】 proofing
【医】 certificate; certify; proof
【经】 attest; attestation; authenticated; authentication; certification
certify; testimony