Anthropologists have found that gambling is present in all human cultures.

人类学家发现,在人类文化中普遍存在赌博行为

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This is a bacterium that's normally present in humans; it colonizes all of our intestinal systems.

这种细菌在人体中很常见,栖居在我们所有人的肠道系统中

耶鲁公开课 - 生物医学工程探索课程节选

These are particularly callous and cold-blooded statements suggesting that this instinctive empathy, this aspect of moral thought, is not-- is present in most of us but not in all of us.

这些极其无情冷血的话,表明移情这种本能，这种道德观念的一个要素-,存在于我们大部分人当中，但不是所有人。

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