Spurred in part by the Columbine and Virginia Tech shootings, many school districts around the country adopted zero-tolerance policies on the possession of weapons on school grounds.

部分受哥伦比亚和维吉尼亚科技大学枪击事件影响，全国许多学区对在校园内携带武器持零容忍态度。

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Spurred in part by the Columbine and Virginia Tech shootings, many school districts around the country adopted zero-tolerance policies on the possession of weapons on school grounds.

部分受哥伦比亚和维吉尼亚科技大学枪击事件影响，全国许多学区对在校园内携带武器持零容忍态度。

youdao