What is the first part of Zheng Jintian's way to school?

On the way to school, Zheng Jintian, the first part of the League, is a long downhill path. According to relevant information, Zheng Jintian's semantics and the situation on his way to school, the second part is on the way down the mountain, and the mountain is easy to go down, and the mountain road is very long, which is contrary to the first part, forming an echo from beginning to end.