Undocumented

[ʌn'dɒkjʊmentɪd] or [,ʌn'dɑkjumɛntɪd]

解释:

(adj.) lacking necessary documents (as for e.g. permission to live or work in a country); 'undocumented aliens'; 'undocumented tax deductions' .

哈里特编辑--From WordNet