Funny joke: Why is this train always so punctual?

There is a man who hates watching TV, but he always sits in front of the TV every Sunday night and watches a weekend program.

At the beginning of the film, there is a scene where a beautiful woman takes off her clothes and goes swimming in a stream, but when the beautiful woman is about to take off the last trouser fork, a train passes by and covers her.

He watched it for weeks, every time, and finally pointed angrily at the TV and scolded, "Why is this train always so punctual?" ! ! "