K. Rowling's vault is stuffed with gold galleons because millions have bought her Harry Potter books.

J•K•罗琳的地下室塞满了魔法金币因为上百万的人买了她的哈利·波特系列小说。

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If it is K platinum, a long time outside silvery white layer of wear and tear, inside gold exposure, is no longer white, so also need regular maintenance plating white, can maintain long new.

如果是K白金，时间一长外面银白层磨损，里面黄金暴露，就没有以前那么白，所以也需要定期保养镀白，才能保养长新。

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K gold watch general appearance, K platinum, senior animal leather.

名表外观一般用K金、K白金，高级动物皮料。

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The U.K.'s cradle-to-grave national health service is a gold mine of medical data, encompassing everything from prescriptions to cancer outcomes.

WSJ: 'Open Data' Brings Potential and Perils for Government