在挪威，一项干预运动在全国推广后，对42所学校的评估表明，在两年的时间里，欺凌现象减少了一半。

In Norway, after an intervention campaign was introduced nationally, an evaluation of forty-two schools suggested that, over a two-year period, bullying was halved.

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下一步是将此作法全国推广。

The next step is to deploy the practice nationally.

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该系统很容易为城乡屠宰单位采用，并在全国推广。

The system can easily be adopted by municipal and rural slaughter facilities and is promoted throughout the country.

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