名词
中文翻译：自我维持的
同义词：
['self-reliant', 'self-sufficient', 'autonomous']
例句：
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1. The company's self-sustaining business model has been successful for many years.
该公司的自给自足商业模式已经成功运营多年。
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2. The farm is self-sustaining, and the local community relies on it for food.
这个农场是自给自足的，当地社区依赖它提供食物。
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3. The new policy aims to promote self-sustaining development in the region.
新政策旨在促进该地区的自给自足发展。