Traditional CBT is considered an effective form of talk therapy for depression, helping people challenge negative thoughts and change the way they think in order to change their mood and behaviors.

传统的认知行为治疗（CBT）被视为治疗抑郁症的一种有效的谈话疗法，其能够帮助人们挑战消极思想，改变思维方式，从而改变他们的情绪和行为。

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Even if emissions were to begin to decrease today, we would still face the challenge of adapting to climate change.

即使今天排放量开始减少，我们仍然面临着适应气候变化的挑战。

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Creating the conditions for virtuous change is the real challenge of our times.

为良性改变创造条件，是我们这个时代的真正挑战。

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Unless carbon emissions are brought under control,he says, the challenge of adapting to global climate change will become ever more difficult.

VOA: standard.2010.06.14

Indeed,volatile food prices, population growth, low agricultural productivity and the potentially devastating effects of climate change make it a particularly daunting challenge. The IFAD president says over the past 30 years, agricultural productivity in developing countries has been stagnant or in decline. He blames it on years of under-investment.

VOA: standard.2010.03.29

And since this region includes some of the fastest-growing nations, there can be no solution to the challenge of climate change without the cooperation of the Asia Pacific.

WHITEHOUSE: Weekly Address: Traveling Abroad for Our Economy at Home

The creation of the S-Lab recognizes the scale of the challenge caused by climate change, said Richard Locke, one of six MIT professor who set up the new courses.

CNN: It's not easy being green

Writing in the current issue of Yale Environment 360, Veron makes an eloquent and succinct case for meeting the challenge of climate change without delay.

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