根据现有的出生率和死亡率，我们能预见下地狱人数会成幂数型增长。

With the birth and death rates what they are, we can expect the number of souls in Hell to increase exponentially.

youdao

这是出生率与死亡率平衡的问题。

That's to do with the balance of birth and death rates.

youdao

2003年，报道称该地区的死亡率已经超过了出生率，比例高达260%，男人平均寿命为42岁，女人47岁。

In 2003, the death rate in the area was reported to exceed the birth rate by 260 percent, and the average life expectancy was reported to be 42 years for men and 47 for women.

youdao