"All genes are encoded by DNA and the DNA is present in the chromosomes in the cell nucleus and telomeres, they are the ends of the chromosomes and they have an important function to protect the chromosomes and maintain the integrity of the chromosomes."

VOA: special.2009.10.07

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

耶鲁公开课 - 金融市场课程节选

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。

耶鲁公开课 - 心理学导论课程节选