有经济学者认为，企业的发展，实质上就是不断发挥想象力，利用未被充分利用的资源，从而开辟出新的“生产性机会”。
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The apparent confusion between two entities in the US government led to airspace being closed around Fort Hancock, right along the border. It was the second time in two weeks that air traffic was disrupted in the region as a result of a high-energy laser being deployed against drones.