英语考研单词学习：必背核心词组

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 economized as much as possible,but to little great avail,since we stil owe a lot of money.

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 than travel.

他宁愿俭衣节食，而不愿节省旅游开销。

have an effect on 对…有影响

真题重现：Even quite big changes in the price of crude 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。

be in effect 有效

同义替换：= be in operation

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

最初契约的有效期为三年。

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 effect as of December 1, 1987.

本条例自1987年12月1日起施行。

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

in effect 实际上

同义替换：= in fact=really

真题重现：

①有效

【例句】The regulations are stil 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 the Supreme Court ruled that there is no constitutional right to physician-assisted suicide, the Court in effect supported the medical principle of “double effect”. 虽然最高法院认为，宪法没有规定医生可以协助病人自杀，但法院实际上支持了医学界“双重影响”的原则。(2002 阅读)

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

实际上，这样的程序决定于全部事实资料的影响力。