1.When answering this question, you can discuss the environmental, economic, and social problems that may arise if people don't recycle. For example, the accumulation of waste can lead to environmental pollution, such as landfills and oceans being filled with non-biodegradable materials, which can harm wildlife and ecosystems. 2.You can also mention the depletion of natural resources, as recycling helps conserve resources by reusing materials. Additionally, the lack of recycling can lead to increased waste management costs and lost economic opportunities in the recycling industry. Discussing these issues can highlight the importance of recycling for sustainable development.

1.回答这个问题时，你可以讨论如果人们不进行回收可能引发的环境、经济和社会问题。例如，废物的积累可能导致环境污染，比如垃圾填埋场和海洋充满了不可生物降解的材料，这会对野生动物和生态系统造成伤害。 2.你还可以提到自然资源的枯竭，因为回收通过重复利用材料有助于节约资源。此外，缺乏回收会导致废物管理成本增加和回收行业的经济机会流失。讨论这些问题可以突出回收对可持续发展的重要性。