Professor Yu Dan then wrote a $3 book based on her lectures, which sold 4 million copies, more than double the sales of the previous bestseller, "Harry Potter and the Sorcerer's Stone."

于丹教授随后把她的演讲内容结集出版为售价3美元的书，这本书的销售量为之前畅销书《哈利波特与魔法石》的两倍多，达到惊人的四百万本。

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Me, Dan and the Chinese boys at the Stone Forest, near Kunming.

在石头森林的我， 丹和中国男孩， 在昆明的附近。

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Wright finally settled on 40-year-old Dan Stone , former head of a division at Scient that built Web businesses for media and entertainment companies.

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Known by the local people as "Doctor Sleep", Dan comes into contact with Abra Stone, a 12-year-old who has "the brightest shining ever seen".

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Leeders Farm, owned by Dan Hawkins - the former member of Lowestoft band The Darkness and current guitarist with Stone Gods - is helping Norfolk musicians thrive by giving them a professional space to practice and record.

BBC: Leeders Farm provides new studio for Norfolk bands