1、 Messrs Raynor and Ahmed work hard to avoid these mistakes by studying large bodies of date over several decades.
雷诺和艾哈迈德通过几十年来对大量数据的研究，努力避免这些错误。
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2、 If I remember correctly, it was Olav who co-ordinated the task of providing the guests with drinks or was it Ahmed?
如果我没记错的话，是奥拉夫还是艾哈迈德负责为客人们提供酒水？
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