So the spread of agriculture could very well have a profound effect on the composition of Earth's atmosphere.

所以农业的扩张很可能对地球大气的组成产生深远的影响。

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The overall effect, however, was the spread of confusion among the public and an increase in doubt about climate change.

尽管如此，其总体影响在民众中间传播了困惑，并增加了人们对气候变化的怀疑。

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During the rest of the day people will continually spray black grime into my mouth, which I am then instructed to spread over my teeth for the ultimate gnarly effect. Tastes gnarly, too.

画完妆后接下来的一天里，大家会持续往我嘴里喷黑灰，然后我还得把黑灰弄得满嘴都是最终达到各种恶心效果，当然这些玩意味道也很恶心。

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This year, the team looked at aspirin's effect on the spread of cancer, and found it reduced the risk of secondary spread to the lungs, liver and the brain by "about half".

BBC: Aspirin a 'no brainer' against cancer after screening

The retired rower then passed it to the young athletes, who lit part of the outer rim of the torch, setting off a domino effect as fire spread to 205 small metal "petals, " symbolizing the nations taking part.

CNN: SHARE THIS

Back then the range of possible outcomes was quite widely spread: in effect, the Bank thought that anything could happen, including something very good.

BBC: The Bank abandons a lot of hope