文章根据小农行为与动机将小农理论分成四大学派，即生存小农、弱势小农、效用小农、理性小农。

And they are classified into several theories, which are the theories of Existing Farmers, Vulnerable Farmers, Utility Farmers and Rational Farmers.

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知识分支当中,可能的例外是经济学家,他们常认为,是经济动机与交易,决定了所有可能的人类行为。

With I should say the possible exception of the economists who often will believe that economic motives and transactions provide the key to all possible human behaviors.

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经过数年与砍伐行为的斗争，其中包括对联邦土地上滥砍滥伐的诉讼，人们对于林务局的动机仍然持怀疑态度。

Still, after years of fights over logging practices, including lawsuits to reduce clear cutting on federal land, distrust of the Forest Service's motives remains.

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With I should say the possible exception of the economists who often will believe that economic motives and transactions provide the key to all possible human behaviors.

知识分支当中,可能的例外是经济学家,他们常认为,是经济动机与交易,决定了所有可能的人类行为。

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