The document also says "Iran continues to pose a significant challenge to Iraq's long-term stability and political independence.

VOA: standard.2009.03.31

I circled this P -if any of you have taken statistics will know what that means, but it's the statistical term that tells you how significant these findings are.

我重点圈起了P,学过统计学的就知道这是什么意思,这是统计学的术语,它告诉我们,这些数据的重要程度

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"If the Fed goes out and buys longer-term Treasury securities, and buys them in significant amounts, what will happen is longer-term interest rates should come down.

VOA: standard.2009.03.18