No one can say for sure whether things in this world are just that simple. If you are destined, you can cross mountains and rivers and meet you in the sea of thousands of people. Just one glance is eternity. If there is no fate, even if you meet face to face, there will be no intersection and no connection with you. And no one could predict the sadness, joy, and pain in the future, all stemming from today's ordinary encounter. Is this her pain or his salvation? Many years later, when I think about this day, I may feel regretful or melancholy, and I will feel so sad and sighing. I am afraid that the erosion of time has already washed away the traces of time, my heart has stopped, and the heaven, earth, human affairs, and cause and effect reincarnate!