| 单词 | cost |
| 释义 | cost n.价格，成本，费用〖同〗price,expense/vt.价钱为，（使）花费〖同〗set back 〖题〗The rising ___ of living is as hard on country families as on city families. A.amount B.cost C.expenditure D.price 〖解〗答案B。cost of living“生活费用”，也可以说living cost(s),偶尔可见expense of living的说法。expenditure“花费，开支”。 〖析〗cost较少用来表示物体的“价格”，而表示“花费，代价”。它还可作动词，主语为物。charge作动词时，意为“收（费），收取”，主语为人；它作为名词时，意为“（所需）费用”。比较：the cost of having,the house painted,the price of this watch,a small charge for admission to the museum. 〖词组〗cost the earth很贵；at a cost (of)以……为代价，花……；at all costs(any cost)不惜任何代价，无论如何；at half cost (no cost)以半价（不花钱）；at the cost of以……为代价，用……换来的；know to one's cost通过自己的痛苦经历认识到，亲自体验到 |
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