Once you leave your hometown, there will be no spring, summer and autumn in your hometown. Time goes by, and sometimes it does, and young people realize their dreams.

I can only go home in winter, and I am usually in the field; Every year will pass like this, but age will not wait for dreams. These four sentences are from Zhu Ziqing's Winter. Once you leave your hometown, there will be no spring, summer and autumn in your hometown. It means that students studying abroad go to other places far away from their hometown and can only go home every winter, so their hometown is only winter in his eyes, not spring, summer and autumn; The last two sentences are used to explain that a person's beautiful youth can't be wasted, nor can his young years be wasted. We should cherish precious time and years. He expressed his deep yearning for his hometown, and later extended it to students who are far away from home who miss their hometown and can't go home.