Because of this, we generally lack respect for the passive element of life.

正因为如此，我们普遍乏对生命中被动元素的尊重。

But absolute poverty is when a lack of resources is literally life-threatening.

但绝对贫困是指乏资源确实危及生命。

I wanted to know why these kids lacked water, a substance that is essential for life.

我为什这些乏水这种对生命至关重要的物质。

Earth's primordial soup lacked the building blocks of life – a phrase describing the most basic biological and chemical units needed to support living things, elements like oxygen and carbon.

地球原始汤乏生命的构成要素——这个短语描述的是支持生物所需的最基本生物及化学单位，如氧和碳等元素。

A savannah, a grassland environment that lacks a large variety of plant life, would be unable to host the large and varied ecosystems that currently exist in the rainforest.

而一个大草原，即一个乏大量植物生命的草原环境，将无法容纳目前存在于雨林中的大型且多样的生态系统。