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小规模养殖者是可持续水产养殖的支柱;他们的知识是不可替代的。
经济学家的角色既是科学家,又是工程师。
To exist is to have a subjective existence.
The church has no power to enforce obedience, neither have any laws they made for that purpose, any binding force on anyone, but by his own consent.