“law of marginal utility”概念、定义、翻译-科学时代

单词	law of marginal utility
释义	社会学词汇手册 law of marginal utility 边际效用定律
随便看	postal course postal inquiry postal insurance post allowance postal money order postal money order postal money order postal note postal officer postal order postal order (PO) postal packet postal rate postal receipt postal remittance postal savings postal service postal transfer account postal transfer deposit postal tuition postalveolar postal vote post-and-panel structure postantibiotic effects postantibiotic effects--postantibiotic effects（PAEs）

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。