decision-maker/policymaker/peacemaker etcGOOD ATsomeone who does something or makes something happen 作出决定的人/制定政策的人/和平缔造者等 Who’s the decision-maker in this department? 在这个部门谁是决策者?
health care administrators and policymakers 医疗保健管理者和政策制定者
→ troublemaker, holidaymaker → decision-maker/policymaker/peacemaker etc at maker(1)