Aids is a central theme in the Line of Beauty, but it is not an "Aids novel".

艾滋病在《美丽曲线》这本书中是一个核心主题，但它并不是一本描述艾滋病的小说。

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It has been a central theme in the discipline of philosophical epistemology the study of the nature of knowledge.

这也是哲学中认识论所研究的中心问题，即，对知识本质的研究。

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The condition of the room celebrates four aspects of light – a central theme in the tradition of looking and drawing.

室内能接收到四个方向的光线——在寻找和借鉴传统的中心主题。

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It seemed like North Africa and the Middle East were going to be the central theme last week in the briefing.

WHITEHOUSE: Press Briefing with Jay Carney and Ben Rhodes

EU, the Belgians insist that they are just as keen as the Swedes, who made it a central theme of their presidency in the first half of this year.

ECONOMIST: The Belgians, that is, now in the European Union��s chair

He said that was the central theme and it was adjudicated in the election.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,