克拉恩是美国纽约理工大学的教授,一年多以来,他每周回家都要乘坐下午5时22分进站的那列火车到加里士站。每次,克拉恩总会在月台上遇见一个女人,他俩都是到加里士下车。每次两人都会朝对方点点头,但从未说过一句话。克拉恩注意到,这个女人头上总围着一方彩巾,克拉恩觉得女人把 Krahn, a professor at New York University of Technology in the United States, spent more than a year in his home on a weekly train ride to Garrigas on the afternoon of 5.22 pm. Each time, Krahn always meets a woman on the platform, both of whom get off at Garrith. Each time they both nod to each other, but never say a word. Krahn noticed that the woman’s head was always surrounded by colored towels, and Krahn felt the woman had put it