1998年春季的一天下午,一架蓝白色满载乘客的波音客机轰鸣着从布鲁塞尔机场起飞,一分钟后,另一架红里泛白的波音客机腾空而起,紧随其后,几秒钟后双双消失在蓝天白云间。这两架客机都属于飞往伦敦的哈斯罗国际机场的航班。 在70分钟的行程中,蓝色航班上的乘客可以享用免费的饮料、吃到免费的点心,红色航班上的乘客却不能喝到啤酒之类的饮料,但可享用免费的可乐。蓝色航班的票价为250美 One afternoon in the spring of 1998, a Boeing passenger aircraft loaded with blue and white roars took off from Brussels Airport. A minute later, another Boeing passenger plane with a red color blew into sky, followed by a few seconds later Both disappear in the blue sky and white clouds. Both passenger planes belong to Hasslo International Airport that fly to London. During the 70-minute itinerary, passengers on a blue flight can enjoy free drinks and free snacks while passengers on the red flight can not drink beverages such as beers, but enjoy free cola. The fare of the blue flight is 250 U.S. dollars