531, 000 offered by the Clay Mathematics Institute in Cambridge, Massachusetts, for solving one of the world's seven "Millennium Problems".

这个位于马萨诸塞州剑桥的数学研究所悬赏了七个“千禧难题”，佩雷尔曼破解了其中之一。

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Ancient universities - the seven universities founded before 1800, including Oxford and Cambridge.

古典大学——包括牛津剑桥在内的七所1800年以前创建的大学。

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That puts it behind seven other European institutions, including Barcelona's IESE, Madrid's Instituto DE Empresa and Cambridge University's Judge Business School, which all make it into the top 15.

在它之前的前十五位中有七所欧洲院校，包括巴塞罗那的西班牙IESE商学院，马德里的西班牙企业学院(Instituto de Empresa)，和剑桥judge商学院。

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Oxford and Cambridge universities are the best places in the world to study seven key academic subjects, according to a new international table.

BBC: Oxbridge rated best in world for seven key subjects

His other seven theatres are the Palladium, Theatre Royal Drury Lane, the Cambridge, Her Majesty's, the Palace, New London and the Adelphi.

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The prince's visit also included a tour of Cambridge Court, a block of seven self-contained flats for adults with learning disabilities, where he unveiled a plaque to mark its official opening.

BBC: Prince Charles visits Poundbury to mark 20th anniversary