我在火车上见过他几次,他总是一言不发,手里拿着有填字游戏的报纸,充满稚气的脸上总是疑问一切的表情。他在乘客之间走来走去,这个人个子很高,深褐色的皮肤光滑细腻,他的眼睛和头发黑如沥青,他常常“咯咯”地笑几声,其实,并没有什么可笑的事。每当他走近一位乘客时,那个人通常 I have seen him on the train several times, he always said nothing, holding a crossword newspaper in his hand, full of childish face always question all the expressions. He walked between the passengers, the tall man, dark brown skin smooth and delicate, his eyes and hair black as asphalt, he often “giggle” to laugh a few times, in fact, there is no ridiculous thing . When he approaches a passenger, that person usually