它为估算了森林对人们生活所作出的贡献，这些人包括居住在森林里的穷人，也包括在巴西就至少1千万的人口，价值在50亿到100亿美元。

It estimates the forest’s contribution to the livelihood of poor forest-dwellers, of whom there are at least 10m in Brazil alone, at between $500m and $1 billion a year.

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21世纪将有一半以上的人口居住在城市，人们都希望生活在森林中的城市或城市中的森林环境里。

In 21 st century there will be more than half people living in cities, who hope to live either in the cities in forest or in the forest environment of cities.

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