假如你的工作是运送250磅，价值25,000美元的计算机服务器，你无疑只会使用最安全的材料作为包装盒进行包装。

If your job was to ship 250 pounds and $25, 000 dollars worth of computer servers, you'd no doubt pack them in a box using only the safest materials.

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星期一，一列装载着核弹级铀材料的专列到达了一处俄罗斯的安全设施。这些核材料来自波兰的一个研究用的反应堆，运送它们，是为了确保世界各地的危险的放射性物质安全的努力的一部分。

A shipment of bomb-grade uranium arrived at a secure facility in Russia on Monday, sent from a research reactor in Poland as part of a race to secure dangerous radioactive material around the world.

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运送的材料也可以回收利用。

And shipping materials can usually be recycled.

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