1. Areas or regions that rely on each other for economic, political, or social functioning; territories with interdependent relationships
The border regions function as mutually dependent zones, with trade and resources flowing across boundaries.
As regiões fronteiriças funcionam como zonas mutuamente dependentes, com comércio e recursos fluindo através das fronteiras.
2. In geopolitics, territories or jurisdictions where governance, security, or development are interconnected and cannot function independently
The European Union members are mutually dependent zones that coordinate policies on trade and security.
Os membros da União Europeia são zonas mutuamente dependentes que coordenam políticas de comércio e segurança.