proof

There is no proof that the document is authentic..没有证据证明这份文件是真的。

burden of proof,举证责任；提供证据之责任

water proof,防水的；不透水的

explosion proof,防爆

moisture proof,防潮

corrosion proof,防腐的；防腐蚀的；耐蚀性的

fire proof,防火；耐火的

abrasion proof,[机]耐磨

dust proof,防尘的；防尘

oil proof,耐油

damp proof,防潮，防湿性

air proof,不透空气；密封

shock proof,抗震的，防震的；抗冲击的；抗振

documentary proof,文件证明

acid proof,耐酸性；抗酸性

skid proof,防滑

bullet proof,防弹的

onus of proof,举证责任

proof of purchase,购买凭证

wear proof,耐磨的

mould proof,防霉