reasonsn.理由名词reason的复数形式.reasonn.原因；理由；理智；理性v.理论；论证；推理；劝说reasons of immergence产生原因Reason of brain drain流失成因reasonably allocating合理配置reasons for formation形成原因reasons - analyzing原因分析reason and motivation原因与动机reason for deficiency缺口原因reason code parameter原因代码参数reasons of developing发展状况Reasons for accidents事故原因