Similarly, if we'd had this talk 30 or 40 years ago, we would have seen how the rise of nuclear weapons, and the threat of mutually assured destruction they imply, prevents a direct fight between the two superpowers.
同样，如果我们 在三十或者四十年前，我们会看到 核武器的发展 和他们带来的相互威胁 事实上防止了两个军事强国间的直接的战争