经过陇海线的朋友或许同我一样有过这样一段很平凡的经历。当列车服务员推着满满一餐车盒饭第一次走过我们面前时,口里不停地叫喊着:“热腾腾的饭菜,10元一盒!”第二次看到他时,听到的还是这句话,但第三次或第四次走过我们身旁的时候,细心的乘客一定注意到餐车内的盒饭已所剩不多,同时盒饭的价格也变成了8元一盒甚至是5元一盒,尽管前后才不过半个小时左右。等到列车靠站了,车厢内 Friends on the Bohai Line may have had such a very ordinary experience as I did. When the train attendant pushed a full meal lunch for the first time in front of us, the mouth kept shouting: “Hot meals, a box of 10 yuan!” When I saw him for the second time, I listened. It was still this sentence, but when we walked past us for the third or fourth time, careful passengers must have noticed that there was not much leftover food in the dining car, and the price of box lunches also became 8 yuan. The box is even a box of 5 yuan, although it takes only about half an hour before and after. Wait until the train stops, inside the train