[] ( MO) a system of buying and selling goods through the mail邮购◆We sell clothing by mail order.我们以邮购方式出售服装。◆a mail-order business/company/retailer邮购企业／公司／零售商◆a mail-order catalogue邮购目录▸ˈmail-order
verb
[] ◆These items can only be mail-ordered.这些商品只能邮购。