economic use经济的使用economicadj.经济学的；经济的；有利可图的economic and trade ties经贸合作Economic Growth Effects经济增长效应Economic Historiographyeconomic law-breaking经济违纪违法economic harmony theory经济和谐论economic planning board经济计划局economic form evolution经济形态演变economic man hypothesis经济人假设economic general survey经济普查economic growth quality经济增长质量