Experts believe that action could have a positive effect on the outcome of the meeting on nuclear terrorism.

VOA: standard.2010.04.06

It was the first time a country had taken action on that, so these are very positive public health changes.

这是第一次国家政府对此采取措施,这都是些对大众健康很有益的改变

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选