柯林斯詞典per diem /?p?? ?da??m/ 1. N-SING A per diem is an amount of money that someone is given to cover their daily expenses while they are working. 日津貼[美國英語] He received a per diem allowance to cover his travel expenses. 他收到一筆按日計算的差旅費用補貼。 返回 per diem