随着工业化横扫世界而诞生的发达国家中,生育率急剧下降, 这种现象首先发生在法国,然后是英国,后来遍及整个欧洲和美洲.当人们富裕时, 家庭规模变小;

As industrialisation swept through what is now the developed world, fertility fell sharply, first in France, then in Britain, then throughout Europe and America.

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第一，家庭规模比以前变小了。

Firstly, the family size is becoming smaller than before.

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哥伦布的俄亥俄州立大学的社会学家堂娜。博比特-Zeher称：“人们的家庭规模在变小，更多的孩子在几乎没有兄弟姐妹陪伴的环境下长大。”

"People are having smaller families and more children are growing up with fewer siblings," said Donna Bobbitt-Zeher, a sociologist at Ohio State University in Columbus.

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哥伦布的俄亥俄州立大学的社会学家堂娜。博比特-Zeher称：“人们的家庭规模在变小，更多的孩子在几乎没有兄弟姐妹陪伴的环境下长大。”

"People are having smaller families and more children are growing up with fewer siblings," said Donna Bobbitt-Zeher, a sociologist at Ohio State University in Columbus.

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