States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。
戏剧不是散文，也不应该被当作散文来对待。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
The true adventurer goes forth aimless and uncalculating to meet and greet unknown fate.
我不是一个需要认可的女孩。我是一个认可自己的女孩。
Meeting energy demand while reducing emissions is the defining challenge of our time.
道德必须指导制药行业的每一个决策。