造成第三世界贫困的原因很多，要探讨其中任何一个都要好几本书的篇幅。
There are many, many causes of Third World poverty, and it would take several books to explore each of them.
造成第三世界贫困的原因很多，要探讨其中任何一个都要好几本书的篇幅。
There are many, many causes of Third World poverty, and it would take several books to explore each of them. But I'll mention a few briefly, so that we can see how we're responsible.
(贫困的生活环境是会带来很多疾病，但是炎性肠病并不在其中)。这一现象迫使科学家研究指明到底是什么原因使生活富裕的人们生病。
Inflammatory bowel disease is not among them. This has left scientists struggling to pinpoint exactly what about the rich world is making people sick.
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