/mɪrər ˈɪmɪdʒ ruːl/ – Phrase
Definition: Nguyên tắc yêu cầu bên nhận chấp nhận một hợp đồng mà không thay đổi điều khoản ban đầu.
A more throughout explanation: the rule that an offer must be accepted exactly as it is made with no changes made or conditions attached
Example: Although the Phrase mirror-image rule is rarely used by lawyers, the principle still stands.