[] () a period of time long enough for a business or an industry to change everything that can be changed长期◆In the long run, the industry can build new factories and produce new products.就长期而言，这行业可以兴趣新的工厂和生产新的产品。◆The long run trend is one of modest growth.从长远趋势来看，经济增长是适度的。➡short run ●in/over the ˈlong run