He said the expulsion is obviously a matter of concern to the United States and a step backward,and that North Korea has only brought upon itself further isolation.

VOA: standard.2009.04.15

And so if I have concerns, it is sort of more indirect directions I think economic growth is doing all right, it's doing quite all right, 8% and if it's not 9%, if it's 8% ,7% range that's very handsome economic growth rate that should not be weigh upon anybody's mind as a matter of concern.

如果要说我关心什么，那就是隐藏的经济发展方向,我觉得印度的经济增长很不错，增长势头良好，即便不是9%，也是7%到,这种经济增长速度已经很厉害了,这种情况谁都不应该,表示担心。

普林斯顿公开课 - 国际座谈会课程节选

Many have become internally displaced. She says the situation of children in internment camps in Sri Lanka is a matter of real concern.

VOA: standard.2009.09.16

"I mentioned the killings of journalists and I said that it is a matter of grave concern not just to the United States, but to the people of Russia, and not just to the activists, but to the people who worry that unsolved killings are a very serious challenge to order and to the fair functioning of society.

VOA: standard.2009.10.14