就像许多其他在没有天敌的环境中演化的生物一样，渡渡鸟天生不怕人。

Like many animals that evolved in isolation from significant predators, the dodo was entirely fearless of humans.

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显然，人类是动物，并且仅仅是演化而来另一种的生物。

Obviously humans are animals, and just another creature of evolution.

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类似贻贝、海蛇尾和海胆这样生活在海底的生物尚未演化出任何防御能力。

Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses.

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Here's a little video clip that I'd like to show you that talks about evolution and how humans have evolved in relationship to their food.

接下来我们看段视频,主要讲述了生物演化,还有人类和食物之间的演化关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So it makes sense from an evolutionary point of view.

因此 这从生物演化角度讲的通

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's important to understand the ancestral diet to see why we've evolved, the biological reasons we are the humans we are today, but it also helps instruct us about what we might happen to do.

了解祖先的饮食结构非常重要,它帮助我们理解人类为何演化,找出造成我们现状的生物学成因,这也有助于我们找到应对方法

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选