His sociability is an important factor for his success as a leader.

Changes in the social system inevitably occur with time.

Social justice means that all people are treated equally.

He is deeply interested in social issues.

He used to be a member of the Chinese gang.

He experienced the harsh reality of the underbelly of society.

His father is a very strict person.

During the Yuan dynasty, Chinese culture developed greatly.

This is my original.

Understanding the original principle is important for solving problems.