名词
中文翻译：绿色比率
同义词：
['green index', 'green ratio', 'green coefficient']
例句：
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1. The company's green ratio has been steadily increasing since the implementation of the new policy.
自实施新政策以来，该公司的绿色比率一直在稳步上升。
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2. The government is considering introducing a green ratio to regulate the use of plastic bags.
政府正在考虑引入一个绿色比率来规范塑料袋的使用。
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3. The green ratio is an important indicator of environmental sustainability.
绿色比率是衡量环境可持续性的一个重要指标。