This case lacked documentary proof.

本案缺少书面证据。

youdao

Please provide copies of documentary proof for the academic and professional qualifications (if applicable).

请附上有关学及专业资格之证明副本(如适用)。

youdao

They must attach documentary proof of their applications for the said professional assessment. Otherwise, their applications will not be further considered.

申请人必须在申请书内夹附报名参加上述专业评核的证明文件，否则其申请将不获考虑。

youdao

This system actually worked quite well as long as the underwriters collected the documentary proof (like income verifications).

FORBES: Another One Right In The Fannie For Taxpayers