Today the copious carbon dioxide emitted to the atmosphere is left for nature to pick up, which it cannot do fast enough.

现在，大量的二氧化碳被排放至大气层，等待自然界的消化吸收。 但自然界的速度有限。

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It is enough to observe that debt and financial instability, his main preoccupations, have become some of the principal topics of inquiry for economists today.

看到他的主要关注点——债务和金融不稳定，已经成为当今经济学家讨论的一些主要话题就够了。

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Today, the tennis players have extended their career time, before, most of them will retire around 30 years old, because it is old enough for an athlete.

今天，网球运动员已经延长了他们的职业生涯时间，在之前，大部分网球运动员会在30岁左右退休，因为那对运动员来说是足够老的了。

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