应急期结束后，是一个灾后新时期，可以持续几个月，将会出现不同的问题需要幸存者来面对。
The acute phase is over and now a new post-disaster phase, that can last months, emerges with different problems facing the survivors.
冷战的结束导致了一个大国之间没有重大军事竞争者的时期。这在现代历史上基本上是第一次。
The end of the Cold War has ushered in a period with no major military competition among the world's great powers-something virtually unprecedented in modern history.
历史学家有一天将会在回望的时候说，这是一个不寻常的时代，一个前所未有的全球变化时期，既是一个时代的结束，也是另一个时期的开始。
Historians will look back and say this was no ordinary time but a defining moment: an unprecedented period of global change, and a time when one chapter ended and another began.
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