“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	side grafting with an oblique cleft side grafting with a simple branch side grafting with a straight cleft side guide side head side head side heading side-hole planting side hood side horse side information side inscription side intersection side intersection side land sidelap sidelight sidelight sideline side load side loader system side loading sidelobe depression side-looking image radar side-looking radar

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