[] ( FAQ) () used to describe goods, especially crops, that are sold on the understanding that the quality will be the same as the average quality of goods produced in the same country in the same period of time, or the average quality of several samples良好平均品质（表示质量的标准。同一个国家同一时期内出售的产品的平均质量水平）◆The contract was for goods of fair average quality.合同规定货物为良好平均品质。