“optional consumption”概念、定义、翻译-科学时代

单词	optional consumption
释义	商务词汇手册 optional consumption 随意消费，选择性消费
随便看	sales value method sales variable ratio sales volume sales volume sales volume sales volume sales volume profit variance sales volume variance sales voucher sales wave experiment sales without reserve sales yield value sale tax sale to arrive sale-type lease sale with the right of redemption salfemic salgain salgaso Salian art Salicacae salicaceae Salicaceae salicet salicin

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。