As this topic shows, there are some hard decisions for farmers to make in preserving soil from erosion.
正如这个话题所显示的，对于农民们来防止土壤流失来说很难做出决定。
It also causes erosion of the soil and flooding, as well as destroying the people and animals who make the forests their home.
它还会引起土壤的浸蚀和洪水泛滥，也会摧毁那些以森林为家的人们和动物。
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