Many commentators take the view that nothing can be done to reverse the destruction already caused to the natural world.

许多评论家认为，已经对自然界造成的破坏是无法逆转的。

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It has already caused damage.

它已经造成了破坏。

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The breakneck pace of the massive project had already caused safety concerns.

极快的大规模项目步伐已经引发安全问题。

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Greece's financial woes have already caused the value of the euro to slide.

VOA: standard.2010.04.28

Pollution,drought and erratic weather patterns caused by climate change have already decimated much of Yemen's farmlands.

VOA: standard.2010.04.01

The outbreak of swine flu in Mexico comes at a time when the country is already struggling with the effects of the worldwide economic recession and some loss of tourism caused by drug violence in cities like Juarez.

VOA: standard.2009.04.30

Samsung and other manufacturers have already caused a number of problems for Apple.

FORBES: What Apple-Defeating Products will Amazon Unveil on September 6?

This has already caused stock prices to fall sharply and bonds to lose value.

FORBES: What S&P's "Negative" Outlook on U.S. Debt Means to You

In South America there are cases where bad drugs may have already caused harm.

FORBES: Magazine Article