The molecules of carbon dioxide in the Earth's atmosphere affect the heat balance of the Earth by acting as a one-way screen.

地球大气层中的二氧化碳分子像一个单向屏一样影响着地球的热量平衡。

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Acting-out in the opposite role allows for a sense of balance, a release of tension or repressed rage, or the practice of self-confidence.

在相反角色中的进行宣泄，有助于一种平衡的感觉，释放紧张或压抑的愤怒，或践行自信。

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They also help you achieve balance in your actions, acting as a gauge to determine when you're lopsided and have been spending too much time and energy in one area.

这些原则还能帮你实现行动平衡，它们可以作为标尺帮你决定行为是否失衡，你是否把太多的精力和时间投入到了某一个方面。

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Sooner rather than later, even old friends acting alone, or perhaps in concert with old foes, would find a way to "balance" a unilateral Pax Americana.

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