Hub-and-spoke refers to the typically US model of passengers being processed through large "hub" airports and then on to secondary flights to "spoke" airports near their final destination.

中心辐射(hub - and - spoke)表示一种典型的美国空中客运模式：乘客在大型的中心机场(hub)之间被运送，然后再转机前往靠近目的地的支线机场。