What does it mean to be happy and sad after all the hardships in the world?

This question means that when people are alive, they will experience all kinds of hardships, including but not limited to difficulties, setbacks, diseases and so on. It can also be understood as experiencing the ups and downs of life. However, even in the face of these hardships, people can still get together to share happiness and joy, and even in difficult times, someone will accompany you through the difficulties. It expresses the multiple experiences of life, such as joys and sorrows, ups and downs, and there is still warmth and happiness to rely on in difficult times.