Carbon labels have yet to become as widely recognised by consumers as other eco-labels, however.
然而，碳标签仍未如其它环保标签那样得到消费者的广泛认可。
The commission's revised "Green Guides" warn marketers against using labels that make broad claims, like "eco-friendly".
委员会修订的“绿色指南”警告商家不要使用像“生态友好型”这样表意宽泛的标签。
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