Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货,但它日后可能要花掉更多的钱。
He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着,溜之大吉。