“opportunity cost”概念、定义、翻译-科学时代

单词	opportunity cost
释义	社会学词汇手册 opportunity cost 机会成本
随便看	paternalism paternalism paternalism paternalism paternalism paternalism paternalism paternalist paternalistic leadership paternal plant paternal power paternal reproduction rate paternity paternity paternity examination paternity leave paternity test paternoite paternoster bucket elevator paternoster lake Paternoster play Paterson reversal pate-sur-pate path path

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。