Students take the lead in US gun control debate
学生加入美国控枪辩论

A group of teenagers who survived a US school shooting have taken command of the national debate over gun control, one of the most contentious issues in American life. But will their efforts have an effect on legislation? Shannon Bond discusses.
控枪是美国社会最具争议的问题之一。如今，一群在校园枪击事件幸存下来的学生积极加入了这场关于枪支管制的全国辩论。但他们的努力会对枪械管控立法产生影响吗？