nerve centre
noun [ C ] UK (US nerve center) uk/ˈnɜːv ˌsen.tər/ us/ˈnɝːv ˌsen.t̬ɚ/
中枢;核心;控制中心
a place from which an organization or activity is controlled or managed
The Pentagon is the nerve centre of the US Armed Forces. 五角大楼是美国军方的神经中枢。