但是，当经济出现衰退，失业率上升时，要发达国家拿出大笔资金来改变未来的气候问题，这会变得很困难。
However, when economics decline, unemployment rate increases, it becomes really difficult to ask developed countries to allocate large amount of funds in the sector of future climate issues.
切记，当失业率上升1个或更多百分点的时候，没有哪次不随之出现经济衰退的宏观背景。
Keep in mind, there has never been a time when the unemployment rate rose 1 percentage point or more without a recessionary backdrop unfolding.
通常，严重的衰退后必将出现强力的经济反弹，因为当需求最终增加时，企业迅速地扩大生产。
Typically, deep recessions are followed by powerful recoveries because when demand finally returns, companies quickly ramp up production.
当自然资源缺乏的时候，经济衰退就出现了。
Recession ensues when there is shortage of natural resources.
当自然资源缺乏的时候，经济衰退就出现了。
Recession ensues when there is shortage of natural resources.
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