【法】 have a deed witnessed
employ; envoy; if; probe; send; use
written pledge
get; get hold of; come at; find; gain; receive
【经】 receive
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