If you just had paper or plastic -- obviously reusable is far more beneficial -- then the paper is worse, and the paper is worse because it weighs four to 10 times more than the plastic, and when we actually compare, from a life cycle perspective, a kilo of plastic and a kilo of paper, the paper is far better, but the functionality of a plastic or a paper bag to carry your groceries home is not done with a kilo of each material.
如果你只有纸或塑料 — — 显然可重复使用更有益处 — — 那么纸更糟糕， 这是因为它有重量 比塑料重 4 至 10 倍 而且当我们从生命周期角度来比较 一公斤塑料和一公斤纸时， 纸要好得多 但你并不需要一公斤的塑料或纸 来实现塑料袋或纸袋的携带功能