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The most important skill for an economist is the ability to think clearly about trade-offs.
我们都是由几个人组成的,我们包含了所有可能未来的潜力。
有时候电影中最有力的时刻来自于你不展示的东西。
Natural gas is a versatile fuel that can support renewable energy growth by providing reliability when the sun isn't shining and the wind isn't blowing.