To understand a culture, one must first understand its stories.
可持续性不是一种趋势;这是我们对后代的责任。
人类心智是一套信息处理机制,这些机制由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。
Diplomacy is not only about affairs between nations, but also involves global issues and the interests of all humanity.
U.S. energy independence doesn't mean isolation - we're still part of global markets.