So we've been talking about nutrients, the elements in the environment that are essential for living organisms to develop, live a healthy life, and reproduce.

所以我们一直在讨论营养，环境中的元素对于生物体的发展，健康的生活和繁殖是必不可少的。

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It is the characteristics of the specific environment they are in, combined with their own personal characteristics—how healthy they feel they are, their age and marital status.

这是他们所处特定环境的特点并与他们自身的特性（即他们自行判定的健康状况、年龄及婚姻状况）相结合的产物。

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Clothing takes a huge amount of natural resources to make, and buying loads of new clothing (or throwing out old clothing) is not healthy for the environment.

制作衣服需要大量的自然资源，购买大量的新衣服（或扔掉旧衣服）对环境不利。

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For example, if it's more convenient should you change the environment to make the unhealthy food less convenient and make healthy foods more convenient?

举例来说,如果是因为方便,那你改变外部环境,会使得健康食品比垃圾食品更容易获得吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Our immune system's function is to keep us healthy in the face of an environment where there are lots of things that could potentially harm us.

我们免疫系统的功能就是保持自身健康,在面对危机四伏的环境时,使我们免受伤害

耶鲁公开课 - 生物医学工程探索课程节选

While Silicon Valley has an endless stream of ideas, we have the responsibility to ensure the environment remains healthy as well.

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The changes to Britain's edible landscape have sprouted out of concerns about the environment and healthy living, and city dwellers like 44-year-old Sharp have been inspired to do what villagers in the countryside have done for years: Grow and harvest their own.

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The Programme not only provides support for media projects but also seeks an accord to secure a healthy environment for the growth of free and pluralistic media in developing countries.

UNESCO: Tribhuvan University to use UNESCO Model Curricula for Journalism Education | United Nations Educational, Scientific and Cultural Organization