理事

member of council / (literary) to take care of matters

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up

matter / thing / item / work / affair / CL:件[jian4],樁|桩[zhuang1],回[hui2]

council

director general

permanent member state (of the UN Security Council)

permanent member of council

accounting standards council

European Council

United Nations Security Council

Council on Foreign Relations (US policy think tank)

(United Nations) Security Council