Demographers (人口统计学者) reckon that three-quarters of humanity could be city-dwelling by 2050, with most of the increase coming in the fast-growing towns of Asia and Africa.
出自-2013年6月阅读原文
It is in this year that urbanisation made a start in Asia and Africa
出自-2013年6月阅读原文
The population increase in cities reached a new peak in Asia and Africa.
出自-2013年6月阅读原文