I'm talking about the second song: The land and rivers in front of us contain extensive knowledge of natural science and human society. The fence behind it was mentioned twice. The city railings here imply people's hearts, that is, the gap between people. As for the later Lian Lizhi, you know what it means, that is, getting married. So this poem means "I experienced natural science, and then I experienced social science." Everyone feels that they have learned enough, and they can study how to communicate between people and how to cross the walls of the city, that is, to cross the spiritual gap between people. "But the reality is cruel. Even after so much experience, although I am familiar with the laws of nature and society, I still can't read people's hearts. . So she wants to wait until I can understand your heart and cross your heart wall, that is, when the fence is invisible and you are still by her side, that is, when people can sometimes tie the knot with you on earth, that is, husband and wife. . .
I see. .