域名不备案可以交易

class Domain:
    def __init__(self, name, is_registered, is_approved):
        self.name = name
        self.is_registered = is_registered
        self.is_approved = is_approved

class DomainMarketplace:
    def __init__(self):
        self.domains = []

    def add_domain(self, domain):
        self.domains.append(domain)

    def list_domains(self):
        for domain in self.domains:
            print(f"Domain: {domain.name}, Registered: {domain.is_registered}, Approved: {domain.is_approved}")

# 示例使用
marketplace = DomainMarketplace()
domain1 = Domain("example.com", True, False)
domain2 = Domain("test.com", True, True)
marketplace.add_domain(domain1)
marketplace.add_domain(domain2)
marketplace.list_domains()