据利物浦热带医学院的彼得·桑迪福德说，没有人确切地知道。

According to Peter Sandiford of the Liverpool School of Tropical Medicine, no one knows for certain.

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桑迪福德说，越来越多的证据表明，女性教育在任何一个年龄段“本身就是一项重要的健康干预措施”。

Sandiford says that there is increasing evidence that female education, at any age, is "an important health intervention in its own right".

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