However, genealogist George Ott investigated the claim, failed to substantiate it and said he believes it to be false.

然而，系谱学者乔治·奥特(George Ott)进行了调查，并未找到证据证实，所以他认为这种说法不实。

The 80 or so countries with realistic hopes of being able to substantiate a claim are not expecting new fishing rights. Their designs are chiefly on minerals.

大约80个希望申请成功的国家，不是为了新的捕鱼权，他们的主要目标是矿产。

The Contractor shall keep such contemporary records as may be necessary to substantiate any claim, either on the Site or at another location acceptable to the Employer.

承包商应在现场或雇主认可的另外地点，保持用以证明任何索赔可能需要的此类同期记录。

Please submit the doctor's certificate and receipt (s) to substantiate your claim.

请提供所有医生证明书及收据以作证明。