Global agreements such as the Nuclear Non-Proliferation Treaty (NPT), along with the general sense of goodwill immediately following the Cold War, may have led to the perception that such a weapon would never be used in combat. But there is an increasing realization that we cannot breathe easy just yet.
核不扩散条约（Nuclear Non-Proliferation Treaty，NPT）等全球协议以及冷战结束以来的总体友好氛围也许让你认为这种武器永远不会用于战争。但我们日益认识到，不要高兴得那么早。