难点在于，我们不能作出可靠、准确的预测，判断地震何时会发生，以便警示人们灾难的降临。
The difficulty is that we cannot predict when large earthquakes will occur with any kind of reliability or precision needed to warn communities of impending disasters.
错误消息框的一个问题在于它经常是事后诸葛亮，它显示：“坏事发生了，你所能做的就是承认灾难的降临。”
One of the problems with error messages is that they are usually ex post facto reports of failure. They say, "Bad things just happened, and all you can do is acknowledge the catastrophe."
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