"Fireworks on earth" refers to all kinds of ordinary daily scenes and experiences in the world, which are ordinary at first glance, but also wonderful; And "spring" represents the beautiful natural scenery, which brings people refreshing breath, beautiful colors and warm breath. The original intention of this sentence is to say that in ordinary days, only the beautiful scene of spring can make people feel the beauty and colorful life.
Generally speaking, this sentence conveys a philosophy that there are beautiful and extraordinary things in ordinary life. As long as we work hard to find it, we will find that there are always bright spots and happy moments in life, and tell people to cherish the people and things around us and not to let themselves miss any moment in life.