It is very important to keep the balance between nature and industry.

保持自然和工业的平衡是非常重要的。

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However, when early humans first began to reflect on the nature of things around them, they discovered that they needed an idea of number simply to keep their thoughts in order.

然而，当早期的人类第一次开始反思周围事物的本质，他们发现只是为了让思维保持有序也需要有数字的概念。

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Experiencing nature is exciting, but when you're doing this, always keep yourself safe.

体验自然是一件令人兴奋的事情，但体验时一定要保证自己的安全。

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Hobbes wants this sort of dictatorship to keep people from brawling in the state of nature.

他希望建立一个类似独裁的政府,以制止人们在"自然状态"下的争斗

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When rotating, the forces of nature keep the thin layer of liquid mercury in the shape of a parabola.

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That's the only way I can explain how scientists who ought to know better seem to get drunk on their power over nature and keep pursuing this absurd dream.

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Human nature just wants to keep adding to the tab.

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