What materials made up food wrapper: polyethylene(PE), polyvinyl chloride(PVC), poly(vinylidene dichloride)(PVDC);

介绍食品保鲜膜的主要材质： 聚乙烯（ PE）、 聚氯乙烯（ PVC）、 聚偏二氯乙烯（ PVDC）；

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These "all-inclusive" food trays might seem reasonably priced (from $2.50 to $4.00), but you're actually paying for the highly designed label, wrapper, and specially molded tray.

这些“全套式”食品盘似乎价格合理 (从2.50美元到4.00美元)，但是您支付的实际上是过份设计的标签、包装，尤其是压制盘子。

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It pointed to air fresheners in the car, which could mask the smell of drugs, and a fast-food bag containing cigar tobacco, which the filing said was often a sign that the cigar wrapper had been used to smoke marijuana.

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