然而令其他观察家们感到哀伤的是，美国还没有从其中东地区的失败中吸取教训。
However, other Washington observers lament that the lessons of failure in the Middle East have yet to be learned.
换句话说，如果我们不能回顾历史，从过去的错误(包括我们自己过去的经验)中吸取教训，就没有机会做出改进。
In other words, if we cannot look back upon history and learn from the mistakes made by those who came before us (including ourselves), then there is little chance of improvement.
布什还是有能力从错误中吸取教训的，他的批评者可能没有注意到，甚至他自己都不愿承认。
Mr Bush showed more ability to learn from his mistakes than his critics realise or than he himself might like to admit.
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