Likewise, the US continues to lead in entrepreneurship, research and development, higher education, and technological innovation. Moreover, it is now the world’s largest natural-gas producer and calorie exporter, which has reduced its vulnerability to price shocks or food shortages.
类似地，美国在企业家精神、研发、高等教育和技术创新领域依然无人能出其右。此外，如今美国还是世界最大的天然气产国和热量出口国，这降低了价格冲击或食品短缺对美国的冲击力。