通过运用复杂的统计数据，沃姆（Worm）和同事们用属、科等的数量预测出地球上未知生物的数量，计算结果为：870万。

Using complex statistics, Worm and colleagues used the number of genera, families, and so on to predict Earth's number of unknown species, and their calculations gave them a number: 8.7 million.

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根据欧洲的统计数据，2005年，生物燃料已占到欧洲燃料的1%，德国和瑞典几乎全采用了。

In 2005, biofuel accounted for around 1 percent of Europe's fuel, according to European statistics, with almost all of that in Germany and Sweden.

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