1 With competition from cities like Berlin, Shanghai or Mumbai, we must not jeopardise London's position as a world creative hub.
2 The spokes of the wheel diverge from the hub.
3 It aims to compete with aviation hub like Singapore.
4 The City of London is the hub of Britain's financial world.
5 Each country runs a national network that links to a host computer in a research institution that acts as a national hub.
6 Birmingham is at the hub of Britain's motorway network.
7 There is no credible rival for its position as the world's preeminent innovation hub; but there are signs that the Valley's influence is peaking.
8 Greater Tokyo, with legions of wealthy retirees among its 35m residents, could handily outstrip tiny Singapore as a gambling hub.