日期:
来源:雅诚德英语网
Populations cannot grow unless the rural economy can produce enough additional food to feed more people.
除非农村经济能够生产足够的额外粮食来养活更多的人,否则人口不可能增长。
Populations cannot grow unless the rural economy can produce enough additional food to feed more people.
除非农村经济能够生产足够的额外粮食来养活更多的人,否则人口不可能增长。