“ratio of operation expense to sales”概念、定义、翻译-科学时代

单词	ratio of operation expense to sales
释义	市场营销词汇手册 ratio of operation expense to sales 营业费用
随便看	book repairing book reservation book reserve book rest book returned unsold book review book review book review book review column book review digest book-review digest book reviewer book room book sale cycle regularity book sale increase rate book salesman book salon book science book scout books down book seal book selection book selection tool bookseller bookseller

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。

ratio of operation expense to sales