But as the city began random security scanning at middle and high schools yesterday in its latest effort to seize weapons, the gap between school rules and parents' expectations has set off a furor.

但是，当昨天该市开始在中学和高中进行保安随机抽检作为抓获这些“武器”的最后努力时，父母的期望和学校的规章之间的距离掀起轩然大波。

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