A smart label could one day tell you when it's time to throw something away and when to consume it.

智能标签有一天可以告诉你什么时候该扔掉东西，什么时候该消费。

Down the road, a smart label made from this paper could indicate how safe it is to use your that mascara or drink that milk.

未来，用这种纸制成的智能标签可以表明使用该睫毛膏或饮用该牛奶的安全性。