An invention can be protected by a patent or as a trade secret, but not both.
任何发明都可以通过专利制度或者商业机密制度来保护, 但不能同时适用.
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Trance practise can be done lying down, but is best done in a comfortable arm chair.
恍惚状态练习可以躺着进行, 但最好坐在舒适的椅子中进行.
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Single-phase plot can be used by computers , TV sets and Video recorders, but not for lighting.
单相 插座仅供电脑 、 电视机、录像机等使用, 不得用于照明线路.
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All these can help with your studies. But don't visit blue web pages.
这些都对学业有帮助. 但是,不能阅读黄色网页.
魔法英语-口语突破（高中）
It's a very tricky problem, but I think there are a number of things you can do.
那是个非常棘手的问题，但我想有几样事你是可以做到的。
《柯林斯高阶英汉双解学习词典》
It might sound trite, but your heart can sometimes lead you better than your mind.
这可能听起来有些老土, 但是有时候,“心”比“脑”更能给你指明方向.
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There's a room free in Bob's house next week but you can stay with us until then .
下星期鲍勃家有一个房间空着，不过在那之前你可以和我们住在一起。
《牛津高阶英汉双解词典》
But now there are only wastelands desert and the bad weather can destroy my hometown seriously.
但是现在这里只有荒地和能严重袭击我的家乡的恶劣天气.
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But how can we create such lake system with much lower ground water table?
但是我们的地下水水位那么低怎么能利用地下水再造出湖泊系统 呢 ?
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The Pennsylvania Dutch tole watering can might be a reproduction but it looks convincing.
那件宾夕法尼亚荷兰人用铁皮水罐可能是一件复制品,但看起来像是真品.
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I am afraid not. But you can deposit your valuables at the reception desk.
没有. 但您可以把贵重物品存放在接待处.
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Anticoagulants can arrest strokes caused by clots But worsen those caused by Bleeding.
使用抗凝血药可以缓解因血栓或栓塞造成的中风,但如将此类药物用于因出血造成的中风却会酿成大祸.
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