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1.The packaging company is looking to reduce its carbon footprint by 20%.
这家包装公司正在寻求通过减少20%的碳足迹来降低其环境影响。
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2. The new product has a packaging ratio of 5:1, which means it's more environmentally friendly than the previous model.
新产品的包装比为5:1，这意味着它比之前的型号更环保。
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3. The packaging ratio was calculated based on the weight and size of the package.
包装比是根据包装的重量和尺寸计算得出的。