| 例句 |
commutationnoun a giving or taking of one thing of value in return for anotheran international commutation of food for oil back-and-forth, barter, dicker, exchange, quid pro quo, swap, trade, trade-off, truck replacement, substitutionreciprocation, recompense, requitalbargain, deal, horse trade, negotiation, transactionbargaining, dealing, dickering, haggling, horse tradinglogrolling in the 15th century |