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1. We can't afford to buy a new car, so we need to economize on our expenses.
我们买不起新车，所以需要在我们的开支上节省。
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2. The company is committed to reducing its carbon footprint.
该公司致力于减少其碳足迹。
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3. Eco-friendly products are becoming more popular in the market.
环保产品在市场上越来越受欢迎。