The presence or absence of clouds can have an important impact on temperature.

云的有无对气温会产生重要影响。

《柯林斯英汉双解大词典》

The plane is destroyed, a complete wreck: the pilot must have died on impact.

飞机被毁，完全成了一堆残骸：飞行员一定在撞击中丧生了。

《柯林斯英汉双解大词典》

They say they expect the meeting to have a marked impact on the future of the country.

他们说期望这次会议对国家的未来产生显著的影响。

《柯林斯英汉双解大词典》

"That will not have any appreciable or noticeable impact on the air traffic control infrastructure in the foreseeable future today.

VOA: special.2011.07.11

There are groups of people who have studied the impact of Trans fats on health for a number of years.

有些人已对反式脂肪,对健康的影响进行了数年的研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I hope it gave you a sense of its communal ethiC as opposed to an individual morality, the idea that the actions of every individual have an impact on society as a whole.

我希望它能给你们一种公共道德感,与个人道德感全然不同，那个观点是,个人的行为都会对作为整体的社会产生影响。

耶鲁公开课 - 旧约导论课程节选

Policies enacted by the developed world, including the U.S., will have little impact on global temperature.

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Because of these trends, price changes at the farm level in the U.S. have less impact on a percentage basis than ever before.

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In addition, the U.S. health care reforms have had negligible impact on European drug-makers.

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