English cloze tells about a blind man who had his sign changed by a passerby and many people donated money to him. What is the topic of this?

The blind man who cannot see the spring

One day, there was a blind man sitting on the steps of a building with a sign by his feet, that read: "I am blind, please help."

One day, a blind man was sitting on the steps of a building. The sign at his feet read: "I am a blind man, please help me."

A. creative publicist was walking by the blind man and stopped to observe that the man only had a few coins in his hat. He put a few of his own coins in the hat, and without stopping to ask for permission, took the sign, turned it around, and wrote a new message. He then placed the sign by the feet of the blind man, and left.

A creative advertising man stopped when passing by the blind man, and saw The blind man only had some coins in his hat. He also put a few coins in the hat, took the sign without permission, turned it over and wrote a new slogan on it, then put the sign back at the blind man's feet and left.

Later that afternoon the creative publicist returned by the blind man and noticed that his hat was almost completely full of bills and coins The blind man recognized his footsteps and asked if it was him who had changed his sign? He also wanted to know what the man wrote on it?

When the adman returned later that afternoon, he found the hat almost full of bills and coins. The blind man heard his footsteps and asked him if he was the one who changed the sign? He also wanted to know what the man had written on it.

The publicist replied: "I just changed your message so people could relate to it." He wished the man well, said goodbye, and went on his way.

The publicist replied Said: "I just changed your slogan so that people can understand it." He expressed his blessing to the blind man, said goodbye, and continued to go his own way.

The blind man didn't know it, but his new sign now read:

The blind man didn't know it, but his new sign now read:

TODAY IS SPRING AND I CANNOT SEE IT

It's spring, but I can't see it.