In one interview after another, people have said they regretted throwing the boxes or packaging materials because they didn't know how to recycle them.
在接二连三的采访中，人们都说很遗憾扔掉了快递包装，因为他们不知道如何循环使用它们。
"Smart" packaging materials such as cereal boxes that include electronic displays are another possibility.
另一种可能的用途是“智能”包装材料，比如带电子显示屏的装谷物的箱子。
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