undocumented

劍橋詞典

undocumented adjective (WITHOUT PROOF)


not supported by written proof
沒有書面證明支持的
People should not stop eating fish because of some undocumented risk of cancer . 人們不應該一些并無書面證據(jù)支持的致癌風險而不再吃魚了。

undocumented adjective (WITHOUT DOCUMENTS)


not having any documents to prove that you are living or working in a country legally
沒有（在一個國家生活或工作的）合法身份文件的
undocumented immigrants /aliens /workers 沒有合法文件的移民／外國人／工人 返回 undocumented