考研必备词组（新东方在线出品）

221. economize on节省  

同义替换：= save sth. instead of being wasteful

economize原始涵义：vi.节省;减少开支

We’ve economizedas much as possible,but to little great avail,since we still owe a lot ofmoney.

我们尽可能节俭,但没什么用,因为我们仍然欠了一大笔债。

造句：He'd rather economize on clothes and food thantravel. 

 他宁愿俭衣节食，而不愿节省旅游开销。

222. have an effect on 对…有影响  

真题重现：Even quite big changes in the price ofcrude have a more muted effect On pump prices than in the past. 即使原油价格大幅度增长，这对汽油价格的影响也没有过去那么大了。    (2002阅读)

造句：What you say or do will have an effect on others. 

 你所说或所做的每一件事都会对别人产生影响。

223. be in effect  有效  

同义替换：= be in operation

造句：Initially the contract will be in effect for 3years. 

 最初契约的有效期为三年。

224. go into effect 生效. 

【Tips】短语不能用于被动语态；主语一般为非人的主语。

同义替换：= come into effect=take effect= be brought into effect

造句：

These Regulations shall go into effectas of December 1, 1987. 

 本条例自１９８７年１２月１日起施行。 

These rights comeinto effect upon sending the image.发送图片后，你就可以行使这些权利了。

225. in effect  实际上  

同义替换：= in fact=really

真题重现：  ①有效

    【例句】The regulationsare still in effect after working for 20 years. 这些规章在实施20年以后仍然有效。

    ②实际上

    【例句】Although theSupreme Court ruled that there is no constitutional right to physician-assistedsuicide, the Court in effect supported the medical principle of “doubleeffect”. ，宪法没有规定医生可以协助病人，“双重影响”的原则。    (2002阅读)

造句：Such a procedure is, in effect, deciding upon the weightof the total evidence.   

 实际上，这样的程序决定于全部事实资料的影响力。

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