在刚刚过去的节日销售旺季里，亚马逊曾实现了一个里程碑式的跨越：电子书在某一天的销量超过了纸质书籍！

Amazon hit a symbolic milestone last holiday season, when for one day its sales of e-books exceeded the number of dead-tree books it had sold.

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也许某一天即使这些传统会被抛弃，不过目前为止这些祭品仍旧联系着过去与现在。

Perhaps someday even these traditions will be abandoned, but for now they still provide a link between past and present.

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过去的某一天，不是现在的任一天。

One of those days is none of these days.

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