The song "What is the crime of being born in this world" expresses a tragic story, but also expresses people's anger against social injustice and infinite admiration for maternal love.

First of all, the song describes a boy named A Bing who was arrested and imprisoned because he was accused of committing a crime. His mother sacrificed her life to save him. Eventually, A Bing was released from prison, but his mother had died. This story expresses the impermanence and cruelty of life, while also showing the greatness and selflessness of maternal love.

Secondly, the song also expresses people's anger against social injustice. One of the lyrics in the song is "The person who wronged you knows your sin better than you do," which expresses people's anger at being misunderstood and wronged. At the same time, the song also expresses concern about social class and the gap between rich and poor, such as the lyrics "Some people are born to enjoy the benefits, and some people are not treated fairly throughout their lives."

In short, the song "What is the crime of being born in this world" expresses people's anger towards social injustice and infinite admiration for maternal love through a tragic story. It also reminds people to cherish life and not to Beaten by fate.