corroboration
使確實,確證,有確證的事實
Cor·rob·o·ra·tion n.
1. The act of corroborating, strengthening, or confirming; addition of strength; confirmation; as, the corroboration of an argument, or of information.
2. That which corroborates.
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corroboration
n : confirmation that some fact or statement is true [syn: documentation,
certification]