locus
noun [ C ] formal uk/ˈləʊ.kəs/ us/ˈloʊ.kəs/ loci
发生地；关注的焦点；讨论的中心
the place where something happens or the central area of interest in something being discussed
The locus of decision-making is sometimes far from the government's offices. 决策的地点有时根本就不在政府的办公室。