bulk order :大量订购
commission :n.佣金
competitive edge :竞争优势
deal :n.交易
hot seller :畅销品；热卖商品
in stock :库存
lead time :交货期(从订货到取货所需的时间)
market share :市场占有率
product line :产品线
proceeds :n.净收入；净所得(此义恒作复数)
quantity discount :大量订购折扣
quotation :n.报价单
sales pitch :营销辞令；营销手法
specs (specifications) :n.规格
swear by :保证；强力推荐