2、凭等级买卖（Sales by Grade）指同一类商品，按规格的差异，分品质优劣不相同的若干等级。
2
?凭等级
可分为： 凭规格（Sales by Specification） 凭等级（Sales by Grade） 凭标准（Sales by Standard） 凭产地名称（Sales by Name of Origin） 凭商标、牌号（Sales by Trade Mark or Brand）...
双语例句
1
Salesby specification, grade or standard.
凭规格、等级或标准买卖。
2
Sales staff says, the geographical stone by many high-end consumers valued, and application in the design of villa high-grade home outfit.