模仿文本：

 In 1999 I took my mother, then in her early 80s, to see Frayn's Copenhagen at the Duchess Theatre in London's West End. She and my father had met the Bohrs, and they had moved in similar circles after the war. During the interval she explained to us, a little tetchily, which parts of the dialogue had sounded implausible to her, and where there had been small inaccuracies. Her insights were telling.