每次从多于一个孩子那里获得的比期望的更多，通常会伴随着较高的婴儿死亡率和母亲死亡率。

Any gains from having more than one offspring at a time might be expected to be like higher infant and maternal mortality rates.

youdao

每次从多于一个孩子那里获得的比期望的更多，通常会伴随着较高的婴儿死亡率和母亲死亡率。

Any gains from having more than one offspring at a time might be expected to be outweighed by costs like higher infant and maternal mortality rates.

youdao

每次从多于一个孩子那里获得的比期望的更多，通常会伴随着较高的婴儿死亡率和母亲死亡率。

Any gains from having more than one offspring at a time might be expected to be outweighed by costs like higher infant and maternal mortality rates.

youdao