The great plagues and wars of the 14th century, for example, reduced not only the growth rate but also the absolute size of global population, both largely involuntary changes.
例如瘟疫与战争不只抑制了成长率,还减少了全球人口数,但是那并不是出自有意识的抉择。
The great plagues and wars of the 14th century, for example, reduced not only the growth rate but also the absolute size of global population, both largely involuntary changes.
例如瘟疫与战争不只抑制了成长率,还减少了全球人口数,但是那并不是出自有意识的抉择。
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