translation.en: It might have been a single paragraph that was missing, or yet, even more subtle than that, a single letter, one out of three billion letters that was changed, that was altered, yet had profound effects in terms of how the brain functions and affects behavior.
translation.zh: 可能是单一段落（基因片段）消失了， 也可能，更微妙地， 单独一个字母， 30亿字母中的一个， 被改变了，被替换了， 但仍能极大的影响 大脑的功能 以及患者的行为。