Fairness and justice is not only a subjective issue, but also an objective optional issue. It is not only a static issue, but also a dynamic process. On the cognitive issue, we need to build a basic social identity through media and public opinion From an objective point of view, the social system should meet the needs of the vast majority of people as much as possible in a certain time and space. It can create conditions for him to see the hope that he can enjoy the sunshine of public products in some subsequent space-time structure. What does this passage mean? ['The essence of fairness and justice.', 'Fairness and justice.', 'Fairness and justice can be constructed.', 'Important ways to achieve fairness and justice.']