However competitive they may be at some levels of their relationship, both major nuclear powers must base their policies on the premise that neither can expect to impose its will on the other without running an intolerable risk.

• 无论两个核大国的关系在某些方面是何等富有竞争性，它们都必须把自己的政策建立在这样一个前提上：它们当中的任何一方都不能指望把自己的意志强加于对方而不冒难以忍受的风险。