adj.不能持续的，无法维持的

The use of fossil fuels is an unsustainable practice for the long-term health of our planet.
对地球的长期健康来说，使用化石燃料是一种不可持续的做法。
The current agricultural methods are unsustainable, leading to soil degradation and loss of biodiversity.
当前的农业方法是不可持续的，导致土壤退化和生物多样性的丧失。
The rapid urbanization in some developing countries has become an unsustainable pattern, causing strain on resources and ecosystems.
一些发展中国家的快速城市化已经成为一种不可持续的模式，给资源和生态系统带来压力。
Unsustainable fishing practices have depleted fish stocks, threatening marine ecosystems and coastal communities.
不可持续的捕鱼方式已经耗尽了鱼类资源，对海洋生态系统和沿海社区构成威胁。
Companies that rely solely on non-renewable resources for their operations are bound to face an unsustainable future.
完全依赖非可再生资源运营的公司注定面临不可持续的未来。
Governments need to implement policies promoting renewable energy sources to ensure a sustainable future for all.
政府需要推行促进可再生能源的政策，以确保所有人的可持续未来。
Unsustainable consumption habits contribute significantly to climate change and environmental degradation.
不可持续的消费习惯对气候变化和环境破坏起着重要作用。
The fashion industry's fast-paced trend cycles are an unsustainable model, leading to waste and pollution.
时尚业快速的潮流周期是一个不可持续的模式，导致浪费和污染。
The mining industry's extractive practices often lead to land degradation and water pollution, making it an unsustainable sector.
矿业开采常常导致土地退化和水污染，使其成为一个不可持续的行业。
An unsustainable lifestyle, characterized by excessive waste and resource depletion, is not a viable path for long-term societal well-being.
以过度浪费和资源消耗为特征的生活方式，不是社会长远福祉的可行路径。