プログレッシブ和英中辞典(第4版)の解説
だしあう【出し合う】
彼らはその費用を出し合った
They shared the expenses (among them)./Each paid his share of the expenses.
外食する時いつも費用を出し合う
We always go Dutch when we eat out.
兄弟は貯金を出し合って車を買った
The brothers 「put their savings together [pooled their savings] to buy a car.