The anarchic nature of the international system forces states to compete for power.

伟大的小说是拒绝被遗忘的小说。

跨国合作是拯救海洋的关键。

Out, out, brief candle! Life's but a walking shadow, a poor player That struts and frets his hour upon the stage And then is heard no more. It is a tale Told by an idiot, full of sound and fury, Signifying nothing, 

有能力给予当然比有能力接受来得更让人愉快。