collectionsn.收集；收藏名词collection的复数形式.collectionn.收集；收取，托收；聚集；收藏品；募捐collection resource馆藏资源collection evidence证据收集Collection of Files对档案材料收集的再思考collection pressure接收压力collection variable集变量Collections Officer收款负责人collection and sort搜集整理collectional economy采集经济collection from bank银行托收collection of corpus语料收集