You may find that just threatening this course of action will produce the desired effect.

你会发现仅仅是威胁要采取这个行动就能产生想要的效果。

《柯林斯英汉双解大词典》

A single good action will not change your life, but the same action repeated 1,000 times will have an important effect on your life.

一次好的行动不会改变你的生活，但是同样的行动重复一千次会对你的生活产生重要的影响。

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Words have a powerful effect on your brain, and in turn it influences your action greatly.

语言会对大脑产生很大的影响，相应地大脑又会极大地影响人的行为。

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For the securities class-action business, the knock-on effect is that the number of suits filed has dropped precipitously.

FORBES: Pity The Lawyers

While the federal class-action law has not necessarily had an effect on the types of industries that are affected by class-action cases, there has been a decline in cases that have, for example, led to an Illinois law being applied to an insurance contract in Alabama, Frank adds.

FORBES: Class-Action Law Gums Up Courts

Ambulance officer Peter Whitaker tells Monday's World In Action programme of the effect of non-emergency calls on staff.

BBC: Hoax calls risk lives