Do you have documentation?

您有文档吗？

youdao

Systems and Equipment should always have documentation at the dive site, indicating the record of inspection and other pertinent information about its performance history.

系统和设备应该在现场备有文件资料来证明其检测记录和其他使用情况记录。

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As a caution, the IRS will almost always consider loans to relatives and friends to be gifts unless you have documentation that proves otherwise.

FORBES: Taxes From A To Z (2013): B Is For Bad Debt Expense

You can't prove that you're working because you don't have documentation.

NPR: Getting Paid Off the Books in America

Some also expressed concerns about whether they would be able to open accounts if they didn't have documentation like Social Security numbers, as well as concerns over language barriers.

WSJ: NYC study looks at immigrant banking habits