不过我们可以重新计算这些数字，来看看圣诞老人的工作用目前所知的技术能否在限定的时间内完成；这也是件蛮有趣的事。

Nevertheless, it is interesting to rework the calculations to see whether Santa's task really can be accomplished within the allotted time using known technology.

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圣诞老人有大约48个小时来完成这项工作，因此他只有超过0.2毫秒少许的时间在每个住户间疾走。

With roughly 48 hours to do the job, Santa only has a little over 0.2 milliseconds to scamper between households.

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但是，几十位在购物商城或派对表演中工作的圣诞老人说，随着经济持续低迷，许多孩子开始索要基本生活用品，比如鞋子、借书证甚至是眼镜。

But with the economy still fragile, many children are requesting basics such as shoes, library cards and even eyeglasses, say dozens of Santas who work at malls or on the party circuit.

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