在极力反对这些行为的同时，她也提出了一系列极具可行性的其它选择方案，比如用食物正面强化(positive reinforcement)让牛群走进卡车或靠近饲料槽。
In arguing against such practices, she poses a series of immensely practical alternatives, such as positive reinforcement with food treats to move cattle into trucks or chutes.
公共选择与公益物品是经济学关注的焦点问题，众多的经济学家就此提出了相关的可行性方案。
The public selection and the public welfare property are the focal problems concerned by the economics, and numerous economists put forward relevant feasibility schemes.
公共选择与公益物品是经济学关注的焦点问题，众多的经济学家就此提出了相关的可行性方案。
The public selection and the public welfare property are the focal problems concerned by the economics, and numerous economists put forward relevant feasibility schemes.
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