Livestock production makes use of products left behind during the manufacture of human plant foods, like citrus pulp and sugar beet, which could not otherwise contribute to the human food supply.

畜牧业生产是利用在人类植物食物制造的剩余产品，像柑橘渣和甜菜渣，而无法以其他方式促进人类的食物供应。

youdao

In an automated car plant there is not a human operative to be seen.

在全自动汽车制造厂，一个工人也看不到。

《柯林斯英汉双解大词典》

Many areas were richer in animal and plant species than they are now, making them highly favorable for human occupation.

许多地区的动植物种类曾比现在丰富，使得它们非常适合人类居住。

youdao

Some of the experiments focus on studying how orbiting in space can affect the human body and plant growth.

VOA: standard.2010.04.05

Now there are challenges to a plant based diet which made eating meat important to humans in human history.

在人类历史上,以素食为主的饮食方式面临各种挑战,使得进食肉类变得重要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Apart from the severe human rights violations, Plant says,the profits pocketed by traffickers represent lost tax revenues to the States, as well as lost earnings stolen from the victims of forced labor and trafficking.

VOA: standard.2009.08.21

They contain the blueprints for how a human being, a plant or a bacterium, looks and functions.

UNESCO: The UNESCO Courier

Genetically modified crops have great potential to improve plant and human health.

ECONOMIST: In defence of the demon seed

These are derived from plant carbohydrates that human enzymes are unable to break down.

ECONOMIST: Modern medicine