“discretionary cost”概念、定义、翻译-科学时代

单词	discretionary cost
释义	会计与审计词汇手册 discretionary cost 酌量成本，任意性成本，自定成本
随便看	Peltier effect Peltier effect Peltier effect Peltier effect refrigerator Peltigera peltoboykinia peltolepis pelton turbine Pelton turbine peltophorum pelvic pelvic bone pelvic cavity pelvic cavity pelvicephalometry pelvic examination pelvic fat pelvic fin pelvic fin pelvic girdle pelvic infection pelvifixation pelvimetry pelvioscope pelviotomy

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。

discretionary cost