British researchers studied 88 volunteers aged between 18 and 47 who were self-confessed coffee lovers, downing at least two cups every day.

英国研究人员招来88名志愿者，年龄分别从18岁至47岁不等，均自许为咖啡爱好者，他们每天至少灌下两杯咖啡。

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There you would think you showed both the music lovers and professional musicians a discourtesy and dishonored the music, if you rattled playing chips and hot chocolate cups throughout.

WSJ: Book Review: The Cambridge History of Musical Performance