Demandre德曼德雷demandn.要求；需求v.要求；查问；需要demand requirements前置程序demand for services服务需要demand trade theory需求贸易理论demand draft buying即期汇票银行买入价格demand of knowledge知识需求demand for teachers教师需求demand distribution需求分布demands of auditing审计需求demand chain system供需链系统demand on processor对中央处理机的需求