那就错了，”谢菲尔德大学的男科高级讲师Allan Pacey博士说。
That's the wrong thing to be doing, " said Dr Allan Pacey, a senior lecturer in andrology at Sheffield University.
陈博士是英国谢菲尔德·哈莱姆大学国际酒店与会议管理研究生课程的负责人。
Wei Chen is the postgraduate course leader of International Hospitality Management and International Conference Management in Sheffield Hallam University.
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