§136 cost/ spend/ pay/ take
ⅰ.cost 指某东西“值……钱”； “需要花费……钱/ 精力”等，它的主语一般为表示东西的名词，不能为表示人的名词，作及物动词和名词。可接双宾语，无被动语态。如：
① i’ll bet that dress cost a thousand dollars.我敢说那件衣服得花1000美元。
② the chair cost me thirty yuan.这把椅子花了我30元。
③ the building of the dam cost many lives. 修建这个水坝使许多人丧生。（使花（某种代价）；使损失）
④ bad driving may cost you your life.开车技术不行可能使你丢掉性命。
⑤ 作名词时意为“花费；成本”→the cost of the house was too high for me.这房子的价钱太高，我买不起。
[常用搭配]：
① at all costs 不惜一切代价，¬¬¬¬¬—→the officer told the soldiers that they must defend the town at all costs. 军官对士兵们说要不惜一切代价保卫这座城市。
② at the cost of 以……为代价。
→1). he finished the work at the cost of his health. 他完成了这项工作，但失去了健康。 &n
Unit 7 The Rewards of Kindness