谢天谢地，我们似乎从过去这些沉痛的教训中吸取了经验。
Thankfully we seem to be learning from those painful lessons of the past.
他告诉我干旱给了他一个沉痛的教训：饲养动物太困难了。
He told me that this drought has taught him a hard lesson: it is too difficult to keep animals.
今天我得到了一个沉痛的教训，那就是，永远不要在发怒的时候处理任何事情。
I have learned a sad lesson today; and that is never to do anything in anger.
在探索过程中，他走过弯路，有过沉痛的教训，但也提出了一些极其宝贵的新思想。
In the course of exploration, he made a detour, and there was a hard lesson, but also made some very valuable ideas.
然而这是奥巴马在芝加哥所学到的第一个沉痛的教训：大部分牧师长都不愿意与彼此合作。
And this was the first hard lesson that Obama learned in Chicago: most of these ministers weren't willing to cooperate with each other.
殖民地人民的悲惨历史，大国间连绵不断的冲突，特别是两次世界大战，都给人类留下了沉痛的历史教训。
The tragic history of colonial people, the endless conflict between major powers, especially the two world wars, have left painful lessons in the history of mankind.
没有人能够真正知道布什先生的计划最终要花费多少美金。过去有过的沉痛教训是：相信最初公布的数字是不明智的。
Nor does anybody really know how much Mr Bush's proposals will end up costing, and the bitter lesson of the past is that it is unwise to believe the figure that is given at the outset.
沉痛的海难事故的教训使国际社会越来越重视通过科学管理来预控海事。
With the lessons learned from disastrous maritime accidents, the use of scientific management method being made to pre-control maritime accidents is further emphasized by International Society.
沉痛的海难事故的教训使国际社会越来越重视通过科学管理来预控海事。
With the lessons learned from disastrous maritime accidents, the use of scientific management method being made to pre-control maritime accidents is further emphasized by International Society.
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