名词短语
中文翻译：石油美元的回收同义词
同义词：
['石油美元的再利用，石油美元的循环使用']
例句：
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1. The recycling program is designed to reduce waste and save resources.
这个回收计划旨在减少浪费并节省资源。
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2. The company's recycling initiative has significantly reduced its carbon footprint.
该公司的回收倡议已经显著减少了其碳足迹。
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3. Recycling not only benefits the environment but also saves money on energy costs.
回收不仅有益于环境，还可以节省能源成本。