通过紫外线照射、烤、液浸泡和揉搓沾污等手段可以人为老化文件，但由于所使用的手段不同而使人为老化后的文件各具相应特征。
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因此，现代法律的任务之一是维护契约自由，但更重要的是如何在契约自由的体制下，维护契约正义，使经济上的强者，不能假借契约自由之名，压榨无组织的消费大众。
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But when fierce storms arises. only such courage as you can the courage and deliberate!
但当狂风恶浪骤起时, 却只有像您这样大智大勇的人方能临危不惧,泰然处之!
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The rain is still teeming down, but I can't wait any longer to go out.
雨依然下得很大, 但我不能再等了,我要出门.
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Lesley explains possible treatments but you can tell she's not taking it in...
莱斯利解释了各种可行的疗法，不过，你可以看出来，她并没有领会。
《柯林斯高阶英汉双解学习词典》
But think of the guilt-free trip you can take after saving the necessary cash.
但想想看,把必需的钱存下来以后,就可以毫无负担地出去度假了.
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All lunatics , but he who can analyze he delusion is called a philosopher.
不过,凡是能够分析自己的妄想者就被称为哲学家.
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I would have preferred a bed, but beggars can't choosers so I slept on the sofa.
我本想要张床, 但是叫花子不能挑肥拣瘦,所以我就睡在沙发上了.
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Anyone can sell anything, from soup to nuts, but not everyone does it well.
任何人都可以卖任何东西, 无所不包, 但并不是每个人都能做好.
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But money can not bring a glimmer of happiness from the depths of our hearts.
但是,金钱无法为我们的内心深处带来一丝一毫的幸福感.
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Aircraft in the field love to run around, worked up quickly, but can not relax.
飞机在情场中东奔西跑, 动情快, 但也放不开.
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