comity of nations
noun [ U ] law, politics specialized uk/ˌkɒm.ɪ.ti əv ˈneɪ.ʃənz/ us/ˌkɑː.mə.t̬I əv ˈneɪ.ʃənz/
国家礼让（国家间的友谊和尊重，表现为接受彼此的法律、政治制度以及风俗习惯）
the friendship and respect between countries shown by accepting each other's laws, political systems, and customs