“courtesy discount”概念、定义、翻译-科学时代

单词	courtesy discount
释义	出版印刷词汇手册 courtesy discount 优惠折扣
随便看	successio succession succession succession succession succession succession succession succession succession succession succession succession succession act successional dynamics successionary grassland succession by subrogation succession by testament succession duty succession duty succession duty succession of copyright succession of state succession planning succession planning

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。