常见例句用作形容词 (adj.)Could you tell me the cost of production per unit?请你告诉我每件成品的生产成本好吗？I just bought a pair of trousers off the rack.我刚买了一条现成的裤子。They buy things all ready made at the shops.他们总是到商人那里去购买现成的东西。 返回 off-the-shelf