example
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comment
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She wrote an article on the subject of class.
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thing which is being discussed, considered or studied
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The theme of the poem is emigration.
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main subject of a talk, book, etc.
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The students were given a list of essay topics.
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used to refer to what one is studying or writing about
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There was a lively debate on the issue of globalisation in the seminar yesterday.
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subject/problem which people are thinking/talking about
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Political theory is a popular undergraduate subject Einstein's theory of gravitation has been questioned recently.
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statement of the rules on which a subject of study is based or, more generally, an opinion or explanation
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The model of climate change presented in the Stern Review seems to be becoming a reality.
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a representation of something as a simple description which might be used in calculations
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The book is called 'The Nature of Intelligence'.
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main characteristic of something
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Human behaviour is based on the principle of least effort.
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basic idea or rule that explains how something happens or works
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