历史上还有其他一些案例(可悲的是，我们并没有从中吸取教训)给我们的教训应该更明显，因为它们都是以巨大灾难的形式出现的。
There are other cases in which the lessons of the past — sadly unlearned — should have been even more obvious because they came in the form of truly devastating catastrophes.
应该从中吸取的教训是，永远不要低估移动设备的野心：虽然移动设备目前能为我们做很多事情，它们还会一直尝试做更多事情。
The lesson, here, is to never underestimate how greedy mobile devices are: As much as they do for us now, they will always keep trying to do more.
重要的是我们学生应该学会如何从我们犯的错误中吸取教训。
It is important for us students to learn how to draw a lesson from mistakes we have made.
地震是灾难，为了减少灾难，我们就应该多从灾难中去吸取教训，学习我们不懂得的知识。
Earthquake is a great disaster, in order to reduce the pains that the earthquake brought to us, we should learn a lot from the disaster and draw lessons from it.
地震是灾难，为了减少灾难，我们就应该多从灾难中去吸取教训，学习我们不懂得的知识。
Earthquake is a great disaster, in order to reduce the pains that the earthquake brought to us, we should learn a lot from the disaster and draw lessons from it.
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