/rɪˈsɪprəkəl/ – adjective
Definition: lẫn nhau, hỗ tương, song phương.
A more thorough explanation: Reciprocal, in legal terms, refers to a mutual agreement or relationship between two parties where each party agrees to provide a benefit or service to the other in exchange for receiving a similar benefit or service in return. It implies a mutual obligation or action that is expected to be fulfilled by both parties involved.
Example: The two parties entered into a reciprocal agreement to share confidential information for the purpose of conducting joint research.