brownfield site

Developing brownfield sites for housing reduces pressure on countryside areas and makes use of existing infrastructure.为住宅开发棕地减轻了乡村地区的压力，并充分利用了现有基础设施。

Contaminated brownfield sites require costly remediation before they can be safely redeveloped.受到污染的棕地在安全重新开发之前需要进行代价高昂的修复。