Among the bag makers' argument: many cities with bans still allow shoppers to purchase paper bags, which are easily recycled but require more energy to produce and transport.

在袋子制造商的论点中：许多有禁令的城市仍然允许购物者购买纸袋， 纸袋很容易回收， 但需要更多的能源来生产和运输。