/ɪkˈstrɪnsɪk ˈɛvɪdəns/ – Phrase
Definition: Bằng chứng bên ngoài.
A more thorough explanation: evidence that relates to a legal document such as a contract, but which is not contained in that legal document itself. In some jurisdictions, extrinsic evidence cannot be given during a trial unless the legal document in question is unclear.
Example: No extrinsic evidence may supplement or vary this Guarantee.