邓恩博士认为，我们仍然应该让自己的身体处于天然状态，正如我们的祖先一样，他们在虫子遍地的森林里漫步，在卫生状况不佳的棚舍里生活。
Professor Dunn believes we should convince our bodies they are still in the natural state of our ancestors: roaming bug-infested forests and living in unsanitary hovels.
由于卫生纸制造涉及纸浆工业中使用的化学物和砍伐森林，这对环境有着巨大影响。
Making toilet paper has a significant impact because of chemicals used in pulp manufacture and cutting down forests.
在一些森林员工的宿舍里，并没有提供热水和卫生间。
No In some houses, no hot water and no bathroom is provided.
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