If people cannot be eternally young and feel youthful at the same time, then I will write it when I am young, and wait for us in the future to empathize with it. Cheng Yilai is a science student. Every step he writes is to get the answer, and every step he takes wants to know its meaning. Tan Sheng was the only one who had never understood this question before.
Intention: Hot, boiling, youth that keeps moving forward while looking back
