常見例句PEARCE, D.W.,WARFORD, J. J.,.World without End:Economic,Environment and sustainable Development[M].London:Oxford University Press 1993 王繼和.;中國西北荒漠區(qū)持續(xù)辳業(yè)與沙漠綜郃治理國際學(xué)術(shù)交流會論文集[C] 返回 Warford