（原文）Harvard researchers following 47,911 men found that those who drank six or more cups a day were almost 20 percent less likely to develop prostate cancer over two decades than those who drank none.
（譯文）哈佛研究人員在對(duì)47911名男性的跟蹤研究后發(fā)現(xiàn)，每天至少喝六杯（咖啡）的人二十年內(nèi)患前列腺癌的風(fēng)險(xiǎn)要比那些不喝的人低20%。
比那些不喝的人20%。是少20%吧？翻譯要準(zhǔn)備嘛。
