求翻译：4.人们对自然资源进行长期掠夺式开发，因而造成对自然生态环境的严重破坏，而环境的恶化又为沙尘暴提供了丰富的沙尘物质来源。是什么意思？

4 people plundering of natural resources for long-term development, which result in serious damage to the natural environment, and environmental degradation but also for dust storms to provide a rich source of material.

4.The Natural Resources for long-term predatory exploitation, resulting in serious damage to the natural ecological environment and the deterioration of the environment and to provide a rich source of dust storms source material.

4. people carry on the long-term plundering type development to the natural resource, thus creates to the natural ecological environment serious destruction, but the environment worsening has provided the rich sand dust material origin for the sand storm.

4 them. long predatory exploitation over natural resources, caused serious destruction of natural ecological environment, environmental degradation also provides rich dust material source for dust storms.

4 people plundering of natural resources for long-term development, which result in serious damage to the natural environment, and environmental degradation but also for dust storms to provide a rich source of material.