Charles P. Ewing, a professor of law and psychology at the University at Buffalo law school who has written about school safety issues, said he favored a strict zero-tolerance approach.
布法罗大学法学院法学及心理学教授查理·艾文曾写过关于学校安全问题的文章，他表示倾向于严格的零容忍方式。
Charles P. Ewing, a professor of law and psychology at the University at Buffalo law school who has written about school safety issues, said he favored a strict zero-tolerance approach.
布法罗大学法学院法学及心理学教授查理·艾文曾写过关于学校安全问题的文章，他表示倾向于严格的零容忍方式。
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