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Do safe alternatives to environmentally danger
问题详情
Do safe alternatives to environmentally dangerous household cleaners cost more or less than the commercial products？请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：less
less 解析：文章第一段提到There are alternatives to…an investment in the future of the planet．一些alternatives要比commercial products更便宜。因而可以在这些alternatives的花费上少一些。
