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But in general, for positive impact, forest management practices should mimic natural forest processes.

但一般而言，为了产生积极影响，森林管理做法应模仿自然森林过程。

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Some people believe that the developments of artificial intelligence will have a positive impact on our lives in the near future.

有人认为，在不久的将来，人工智能的发展将对我们的生活产生积极的影响。

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But this mother in North Carolina said she thought the speech could have a positive impact.

VOA: standard.2009.09.08

Some of this can be done if consumers make different choices in what they eat, but some can be silent changes too, so Frito-Lay taking the Trans fats out of their products and switching them with a healthier fat is a silent change that could have a positive impact on public health.

有些只要消费者选择其它的食物即可做到,但也有些变化是悄无声息的,菲多利将其产品中的反式脂肪,替换成更健康的脂肪就并未声张,这对大众健康有着积极的影响

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He notes that broad policy changes that reduce reliance on fuels like coal and wood are being implemented and are beginning to have a positive impact on life expectancy.

VOA: standard.2010.04.07

Indeed, the Jesus Trail aims to have a positive impact on the local environment.

BBC: Walking with Jesus in the Galilee

But the key benefit of congestion tolling is its positive impact on the environment.

CNN: Road tax alternative: Pay for each mile you drive

Few individuals have had the positive impact on their times that Ronald Reagan had on his.

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