系统
                
        
    
Every perception is a symphony of the nervous system.
                    BYD's vision is to build a zero-emission ecosystem.
                    In the field of new energy, we must not only produce good products but also build a good ecosystem.
                    The concept of legal authority is essential for the functioning of a legal system.
                    Legal systems are not static; they evolve over time in response to social changes.
                    Law is a system of rules that are enforced through social institutions to govern behavior.