“trading down”概念、定义、翻译-科学时代

单词	trading down
释义	市场营销词汇手册 trading down 购买档次下降
随便看	car retarder carriage carriage carriage carriage carriage carriage carriage carriage carriage carriage box volume capacity carriage by air Carriage by Air Ordinance carriage by land carriage by road carriage by sea carriage contract carriage cost carriage document carriage forward carriage forward carriage forward carriage forward carriage free carriage free

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

trading down