Most of the returners are academics . But commercial science has benefited , too .
大多数归国人员都是学术派,但商业科学却也从中受益。
While officials in zhaotong , a city in yunnan province , fret about the strain that returning workers have been putting on local food supplies , their comrades policing long-distance bus stations in impoverished gansu province have recorded only a trickle of returners .