?商品差价
... price differentials of commodities 商品差价 product price differentials 商品差价 quality price differentials 品质差价; 质量差价 ...
不同用途差别订价政策
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。