Third World countries export their mineral deposits and tropical agricultural products, which bring them desired foreign exchange.

第三世界国家出口矿物和热带农作物，以换取所需的外汇。

youdao

Specifically, prime agricultural soils water recharge areas, lakes, rivers, streams, major forests, wetlands, wildlife areas and major sand, gravel or mineral deposits.

具体来说，主要农业区土壤水分补给，湖泊，河流，小溪，主要森林，湿地，铱诎旺动植物地区及主要沙，砾石或矿藏。

youdao

Third world countries export their mineral deposits and tropical agricultural products, which dring then desired foreign exchange.

第三世界国家出口矿物和热带农作物，以换取所需的外汇。

youdao

Gambia has sparse natural resource deposits and a limited agricultural base, and relies in part on remittances from workers overseas and tourist receipts.

FORBES: Gambia