The question of America’s role in helping to produce a more benign world in 2030 has important implications for President Barack Obama as he approaches his second term. The world faces a new set of transnational challenges, including climate change, transnational terrorism, cyber insecurity, and pandemics.
到2030年美国在创造良性世界中所起的作用对奥巴马总统的第二任任期具有重要的意义。世界正面对着气候变化、跨国恐怖主义、网络风险和流行病等一系列新的跨国挑战。所有这些问题都需要合作才能解决。