经济学的研究最终是对人类行为及其后果的研究。
Music is the universal language that connects all souls.
我不是流行明星,我是行为艺术家。
Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.
我不是政治家。我是演员。我在这里是为了娱乐,不是为了说教。
煤炭的未来取决于经济增长与环境责任的平衡。
海洋对所有人开放,因其无边无际无法被任何人占有,且适合所有人使用。