"What is clear from the poll data is that Americans are very ambivalent about what is going on in Afghanistan,"

VOA: standard.2009.10.09

And if you listened at the end to the psychologist summarizing the data, the psychologist had a very good and very clear and strong idea of what was going on.

如果你最终听取了,收集数据的心理学家的建议,心理学家对此给出了,非常优秀且清晰有力的解释

耶鲁公开课 - 心理学导论课程节选

She says this study has helped by collecting the data, and now the need is clear to work to better protect children.

VOA: standard.2010.06.29