Any child can have a behavior problem.

每个孩子都会有行为问题.

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Medical domain always psychology and behavior problem, division of disease of spirit of uniform put under.

医学领域凡是心理和行为问题, 一律划归精神疾病科.

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Nature shows the environmental problems be people's problem, concrete in population problem and people's behavior problem.

环境问题本质是人的问题, 具体表现于人口问题和人的德行问题.

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