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来源：雅诚德英语网
Yet the behaviorism stresses that it is the individual learned helplessness that sharpens the difficulty of giving up smoking.
行为主义和社会学习理论则强调：个体已形成的习得无助感加剧了戒烟困难；
Yet the behaviorism stresses that it is the individual learned helplessness that sharpens the difficulty of giving up smoking.
行为主义和社会学习理论则强调：个体已形成的习得无助感加剧了戒烟困难；