A consequence of the decline in mortality in Stage Two is an increasingly rapid growth in population growth (a.k.a. "population explosion") as the gap between deaths and births grows wider and wider.
第二阶段死亡率下降的一个后果是人口增长日益迅速(又称"人口爆炸") ，因为死亡和出生之间的差距越来越大。