1. A geographic region or zone that is on the periphery or fringe of a city, country, or economic system; an area with limited development or resources
The government invested in infrastructure projects in marginal areas to reduce regional inequality.
O governo investiu em projetos de infraestrutura em áreas marginais para reduzir a desigualdade regional.
2. In biology or ecology, an area at the edge of a habitat or ecosystem with transitional characteristics
The marginal area of the wetland supports unique plant and animal species.
A área marginal do pântano suporta espécies de plantas e animais únicas.
3. An economically disadvantaged or underdeveloped region with limited opportunities
Many residents of marginal areas struggle to access quality education and healthcare.
Muitos residentes de áreas marginais têm dificuldade em acessar educação e saúde de qualidade.