purchasesn.购买；购买的物品vt.购买；通过努力而获得purchasevt.购买n.购买；购买的物品purchase department[机] 采购部purchase on network网上采购purchase allocation购电分配purchase commitment购货承诺purchase memorandum采购单purchase instalment分期付款购买purchase motivation旅游动机purchase management采购管理purchase money bond[经] 购买财产(资金)债券purchase commission代购佣金