降温可能会缓解地球发热的峰值，或者为减排措施发挥人所期待的效果争取时间，但是酸雾只是一种辅助药物，不能替代其他方法。

Cooling might take the edge off the peak of a planetary fever, or perhaps buy time as emissions cuts begin to have the desired effects. But hazing is a complementary medicine, not an alternative one.

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但对奥巴马来说不幸的是，美国人民往往期待效果会立即显现。

Unfortunately for Mr Obama, Americans tend to expect instant results.

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要达到这样的效果，每天消耗的能量要比摄入的多500 - 1000卡，而且即使这样，也不要期待体重能减的太多。

To do this, you need to burn 500 to 1, 000 calories more than you consume each day. Also, don't expect to lose more of your body weight than is realistic.

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