demandern.要求者demandn.要求；需求v.要求；查问；需要demand of water sector行业需求demand shift inflation需求变化引起的通货膨胀demand sth. of sb.adj.向某人要求某物demand-driving model需求驱动型demands of the industry产业需求demand price elasticity需求价格弹性demand-side economics需求经济学demand exceeding supply供不应求demand-capacity ratio需求能力比demand of human dignity人类尊严的需要