When the prices and functions of competing products are similar, this number-which stands in for the total release of greenhouse gasses (GHG) -could become decisive, with the lower number being the key to winning consumers.
當不同品牌的產品價格、功能都類似時，這個 CO2 數字就很可能成為一較高下、「低」者勝出的採購關鍵。