Mr. Xu Zhimo wrote in a letter to his mentor Liang Qichao: I will visit my only soul mate in the vast sea of people. I will be lucky to find it, but I will lose my life, that's all.
This article is such an article about searching. Two people who had never met met by chance and exchanged letters. Later, due to various reasons, we lost contact.
There is a huge sea of people, just looking for someone.
I just don't know my appearance or my age.