John Parkin from the University of Bolton, who also took part in the study, had the following explanation.

参与本次研究的还有来自博尔顿大学的约翰·帕金(John Parkin)，他给出了如下解释。

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John Parkin, chief executive, said the plans mark an "important milestone" in the development of the airport.

BBC: Leeds Bradford airport announces ?11m building plan

John Parkin gave the Bluebirds an early lead with a stunner on his Cardiff debut as the striker smashed Michael Chopra's flick home from 25-yards.

BBC: Sport - Football - Norwich 1-1 Cardiff

York could have stretched their lead after 56 minutes when John Parkin's superb 25-yard lob hit the crossbar moments after Duffield had been denied by Roger Freestone.

BBC: York 2-1 Swansea