Running the same iterparse method in Listing 4 on the Open Directory data takes 122 seconds per run, or slightly more than five times longer than parsing the copyright data.

对Open Directory数据使用清单4中的iterparse方法，每次运行耗时122秒，约是解析版权数据所用时间的5倍。

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Google estimated Instant would save users between two and five seconds per search.

Google估计Instant可以为用户的每次搜索节省2到5秒时间。

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That's enough to take the three-ton car to 60 miles per hour in under five seconds.

CNN: Rolls-Royce vs. Maybach

According to Google, this will save between two and five seconds per query.

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