证据

evidence;proof;testimony
说话要有～。Statements shoud be based on evidence./搜集～collect evidence/提出（供）～offer testimony;give evidence/大量～an abundance of evidence / 毫无～ baseless;groundless;unfounded/口头～oral (or parol)evidence/书面～ written (or documentary)evidence /～不足insufficiency of evidence;lack evidence;have insufficient evidence/～充分ample evidence;sufficient evidence/～确凿conclusive evidence;solid evidence/～确凿的叛徒proven renegade/～确凿，铁案如山irrefutable (or verifled) evidence; ironclad proof