1. Alan Macfarlane, professor of anthropological science at King's College, Cambridge has, like other historians, spent decades wrestling with the enigma of the Industrial Revolution. 和其他历史学家一样，剑桥大学国王学院人类学教授艾伦·麦克法兰花了数十年时间，试图解开工业革命的谜团。
2. Iran remains an enigma for the outside world. 伊朗对外部世界而言依然是个谜。
3. The origin of these peculiar glassy spheres remains an enigma. 这些奇特的玻璃球体的起源仍然是个谜。
4. I became convinced that this story was every bit as exciting and significant as that of Enigma and the breaking of German codes in the Second World War. 我开始相信，这个故事与恩尼格玛密码机的故事、以及二战时德国密码的破译一样激动人心，一样重要。
