韦斯曼先生的结论在今年的早些时候得到了支持，那是一份霍利·琼斯和奥斯瓦尔德·施密茨发表在耶鲁大学森林与环境研究系的科学公共图书馆的研究。

Mr Weisman's conclusion was backed up earlier this year by a study published in the Public Library of Science by Holly Jones and Oswald Schmitz, of Yale's School of Forestry and Environmental Studies.

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科茨先生把这种情况比作“习得性无助”，由马丁•塞利格曼在1960年定义的。

Mr Coates likens this condition to the state of "learned helplessness" identified in the 1960s by Martin Seligman, a psychologist who delivered random electric shocks to dogs constrained in harnesses.

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科茨先生把这种情况比作“习得性无助”，由马丁•塞利格曼在1960年定义的。

Mr Coates likens this condition to the state of "learned helplessness" identified in the 1960s by Martin Seligman, a psychologist who delivered random electric shocks to dogs constrained in harnesses.

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