In fact, the type of packaging has something to do with the way milk's treated against bacteria.

事实上，包装的类型与牛奶的抗菌处理方式有关。

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The researchers couldn't find any patterns in BPA levels by food type or brand. They did not contact companies to ask about their packaging methods.

研究者们没有找到任何关于食品类型和包装上BPA水平的样本。他们没能接触到食品公司询问关于包装原则的问题。

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By being exclusive. In the information age, this is an increasingly common type of USP. More and more firms offer a unique packaging of information or knowledge.

提供排他性产品。在这个信息爆炸的时代，这种策略成为独特销售主张的主要类型。越来越多的公司提供独一无二的信息以及知识。

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