No matter in Lin's poems or TV plays, there is a saying that "the sky is April on earth". Personal analysis is as follows: April is the season of late spring, and there is also a saying in ancient poems that "April is the best in the world". Spring itself means the growth of new life, and summer means the heyday of human life and energy. Therefore, the profound meaning of "April day on earth" refers to the process that people gradually move from physical maturity to psychological maturity, from a young man and a lively girl to a man with backbone or a graceful young woman. This is the inner meaning of "April Day on Earth". Answer supplement
If you write an article, you mainly write about people's changes, especially the process of psychological maturity.