神经学和社科学专家们的新研究或许可以为而我们提供线索寻找原因。
New research from experts in neuroscience and social science may give us a clue as to why.
如果无法雇佣经验丰富的咨询专家，父母们也可以为孩子们做一些准备来防止校园发生的犯罪。
Short of hiring an expensive consultant, parents themselves can do more to prepare children for what can happen on campus.
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