per diem
参考词典中per diem的常规释义：
基本释义
- n.按日给予津贴,出差津贴
英英解释
1个副词解释
- one every day
[同] by the day, per diem
[例]- we'll save 100 man-hours per diem
点击查看……1个名词解释
- a daily allowance for living expenses (especially while traveling in connection with your job)
点击查看……- one every day
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