Ask for a joke about taking the train, preferably notified by the flight attendant.

Attention, passengers! The 3838 train from * * * to * * * is about to leave! Passengers who don't get on the bus, please take care of other people's luggage, take other people's wives and get on the bus quickly. There are passengers carrying mines, pipes, explosives, fuses and explosive materials. Please get on the bus and light it in a crowded place, so as to make more contributions to the family planning work in China. When the train is running at high speed, please stick your head and hands out of the window as much as possible so as to solve it at once. This train is a civilized train, and your urine and melon dander can be scattered in the carriages and aisles at will; Other people's phlegm can be spit in your face, and your phlegm can be spit in other people's mouths, which is convenient for protein to fully absorb; This train also provides convenience for a third party to intervene, to bridge the gap between extramarital affairs, to handle divorce procedures quickly for you, and to completely break your family. As a scrapped car, this train has been running safely for 30 years. Because the brakes are not loaded, you must collide with other objects before you can stop. If you find your head on your feet, you will reach your destination-heaven.