本体论问题是西方哲学的根基性问题，它研究作为存在的存在。

Ontology is the foundation of western philosophy, which studies Being as Being.

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但是，只要我们作为一个物种存在，我们与大自然之间的亲密关系和相互依存将依然存在。

But as long as we exist as a species, our intimate relationship-and codependency-with Nature will remain.

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科学家正在努力寻找火星气候的秘密——在这个红色的星球上发现有水存在的证据，它将作为在火星上寻找生命的线索，也可以说明在宇宙的别处也有可能存在生命。

Scientists are working to unravel the mystery of Mars's climate-evidence of water on the red planet will hold clues about life on Mars, as well as the potential for life elsewhere in the universe.

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Well, up until probably ten years ago, this was the primary propellant in just about every kind of spray thing that we had, hairspray, everything.

好吧，直到大概十年前，作为主要推进剂,存在于我们的每一个喷射器里，发胶，以及一切。

麻省理工公开课 - 固态化学导论课程节选

Is there any good reason to believe that we don't believe that we're going to cease to exist as a person?

有没有一个好的理由相信,我们不相信,自己会停止作为一个人的存在呢？

耶鲁公开课 - 死亡课程节选

Either I don't exist or I'm not alive or I'm not a person, whichever precise way we have to put it.

要么我不存在，要么我不是活着的或不再作为人，就在这三种方式里选择。

耶鲁公开课 - 死亡课程节选