现在，新研究表明，所谓的陈述性记忆？ ？譬如一组事实？ ？也能从睡眠中获益，特别是实验对象面对补充性信息和竞争性信息挑战时更明显。

Now new research shows that so - called declarative memories? Such as a sequence of facts? Also benefit from slumber, especially when subjects are challenged with subsequent, competing information.

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这些广泛的信息不仅仅包括竞争性的定价，还包括了网站排名、在未来需求中所占的份额、用户评论等等。

The breadth of information goes beyond just competitive rate shopping to include online page placement, future share of demand, and user generated comments to name a few.

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没有什么能比互联网产业更具竞争性，数字信息的边际成本日益趋零。

There's never been a more competitive market than the Internet, and every day the marginal cost of digital information comes closer to nothing.

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