名词
中文翻译：两级方案
同义词：
['multi-level scheme', 'multi-tiered plan例句：1. The company has implemented a two-level scheme to improve efficiency.（该公司实施了一项两级方案以提高效率。）']
例句：
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1. The company has implemented a two-level scheme to improve efficiency.
该公司实施了一项两级方案以提高效率。
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2.The government has introduced a two-level scheme to support small businesses.
政府推出了一项两级方案以支持小企业。
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3. The new policy is designed to implement a two-level scheme to tackle the problem.
新政策旨在实施两级方案以解决这一问题。