Half the world will experience "fertility implosions," thus leading to shortages of working-age populations, with only sub-Saharan Africa producing a surplus of working-age men.
世界上一半地区将经历“生育内爆”，从而导致适龄工作人群的短缺，只有撒哈拉以南非洲有过量劳动力。
Half the world will experience "fertility implosions," thus leading to shortages of working-age populations, with only sub-Saharan Africa producing a surplus of working-age men.
世界上一半地区将经历“生育内爆”，从而导致适龄工作人群的短缺，只有撒哈拉以南非洲有过量劳动力。
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