“perk”概念、定义、翻译-科学时代

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。

单词	perk
释义	经济学词汇手册 perk 附加福利
随便看	negative energy wave negative entropy negative equity negative eugenics negative eugenics negative eugenics negative evidence negative exchange negative excitation negative exponential distribution negative exposure negative externality negative externality negative eyepiece negative face negative factorial multinomial distribution negative feedback negative feedback negative feedback negative feedback negative feedback negative feedback negative feedback negative feedback loop negative feedback（NF）

perk