cost pay spend的用法辨析
[1]spend单词记忆法◆记忆方法一：分析：s --- 蛇 pen --- 钢笔 d --- 天（day）的首字母； 记忆方法：蛇在钢笔里面度过了一天◆记忆方法二：联想方式：sp（食品）；end（最后）记忆方法：难民营的食品最后用尽了。
三、辨句型
从句型结构来看。三者的通常句型为：
sth costs (sb) money 某物花某人多少钱
it costs (sb) money to do sth 做某事花某人多少钱
sb spends time (money) on sth 某人在某一方面花多少钱
[2]money单词记忆法◆记忆方法一：联想方式：honey－money一个h，一个m，合起来hm（好吗）记忆方法：用蜂蜜换钱，好吗。
sb spends time (money) in [on] doing sth 某人在做某事方面花多少钱
it takes sb time (money) to do sth = it takes time (money) for sb to do sth 做某事花某人多少时间或钱
sth takes sb time (money) to do 某事花某人多少时间或钱去做
sb takes time (money) to do 某人花多少时间或钱去做某事
四、辨语态
三者在表示“花费”时，cost 不能用于被动语态，take 通常不用于被动语态，而 spend 则可以用于被动语态。如：
[3]cost单词记忆法◆记忆方法一：分析： cost——大衣（coat）的近似拼写；s——外形像蛇； 记忆方法：蛇穿的这件大衣值很多钱。◆记忆方法二：联想方式： co-可乐记忆方法：买可乐花费的钱比石头多.
误：Thirty dollars was cost by the coat. 误：Two hours was taken to do the work.
正：Two hours was spent on the work. 做这工作花了两个小时。
五、辨引申
三者均可用于比喻用法中，但含义不同：
1. cost 指付出代价(劳力、麻烦、精力、生命等)。如：
Careless driving will cost you your life. 粗心开车会要你的命。
Just ring him up. It'll cost you nothing. 给他打个电话，这不费什么事。
2. spend 表示“消耗”“用完”。如：
I'll spend no more breath on him. 我不会再和他费唇舌。
He spent great efforts to help me. 他费了很大的劲儿来帮我。
3. take 表示需要人力(精力、劳力等)。如：
It takes patience. 做这工作需要耐心。
It takes two to make a quarrel. 一个巴掌拍不响。
It took three men to lift the box. 抬这个箱子要 3 个人。
cost相关单词意思与记忆法：
cost单词意思解释释义：
n. 代价, 价值, 费用vi. 花费vt. 使失去, 值, 使花费【经】 原价, 成本, 费用相关词组: at the cost of cost sb dear count the cost to one's cost
cost单词记忆法：
◆记忆方法一：
分析： cost——大衣（coat）的近似拼写；s——外形像蛇；
记忆方法：蛇穿的这件大衣值很多钱。
◆记忆方法二：
联想方式： co-可乐
记忆方法：买可乐花费的钱比石头多.
pay相关单词意思与记忆法：
pay单词意思解释释义：
n. 薪资, 付款, 补偿vt. 支付, 付清, 补偿, 偿还, 对...有利, 为...涂防水物vi. 付款, 付出代价, 偿还, 得到报应, 获得好处【化】 工资相关词组: pay in advance pay by instalments pay on delivery pay in kind in the pay of pay as you go pay sb back blow for blow pay down pay for pay home pay off pay sb off pay sth out pay the debt of nature pay one's debt to nature pay up pay a visit pay a compliment pay one's respects pay one's way pay attention to pay sb to do sth
pay单词记忆法：
◆记忆方法一：
联想方式：pay－朋友
他朋友帮他付清债务。
◆记忆方法二：
联想方式：pay－朋友
记忆方法：他朋友帮他付清债务。
cost单词相关例句：We shall defend our island, whatever the cost may be . We shall fight on the beaches, we shall fight on the landing-grounds, we shall fight in the fields and in the streets, we shall fight in the hills; we shall never surrender.——Winston Churchill British prime minister 无论需要付出多大的代价，我们也要捍卫我们的岛国。我们要战斗在海滩，我们要战斗在登陆地带，我们要战斗在田野、街巷，我们要战斗在山冈、丘陵，我们决不投降。英国首相 丘吉尔， W。
A dozen eggs now cost twenty dollars--how expensive!
一打鸡蛋现在要20美元！好贵啊！
How much will it cost to repair my car?
修车需要花多少钱？
The total cost comes to five hundred dollars.
总价是500美元。
Yesterday he bought a dictionary. It cost him 50 yuan.
昨天他买了一本词典，花了50元。
A good domain allows you to save the cost of enterprise publicity.
一个好域名可以让您的企业节约大量的宣传费用。
Graph the three major types of cost functions.
三种主要类型价值函数的曲线图。
This method solves the question of the complex cost management for intermittent manufacturing enterprise.
它可以有效地解决离散制造企业复杂的成本计划管理问题。
He rescued the boy from drowning at the cost of his own life.
他救这小孩免于淹死却牺牲了自己的生命。
They cost one shilling each.
他们每个花费一先令。
pay单词相关例句：No artist of performer can entirely escape the lure of fame and its promise of endless admiration and respect, but there is a heavy price one must pay for it.——Howads Mesvin, American essayist没有一位艺术家或表演家能完全逃避荣誉的引诱， 荣誉给他们带来无穷的赞扬和崇敬，但他们要付出的代价也是非常昂贵的。美国散文家 麦尔文.H.
Words pay no debts. 空言无补。
To pay a person in his own way. 以其人之道还治其人之身。
The boss pays me minimum wage; I wish he would pay me more!
老板给我发了最低薪水，我希望他能多付我点。
Customers pay money at the counter.
顾客在柜台付钱。
The straightforward employee asked his boss for a pay rise.
那个直率的员工直接向老板提出加工资。
Could you lend me some money? I will pay you back later.
你能借我一些钱吗？我以后会还给你。
We have to pay a tax on all of our sales.
我们必须全额上缴营业税。
We pay our rents to the house owner every month.
我们每个月都会给房东交租。
Today is the day for me to pay my taxes.
今天是我要交税的日子。
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