The American artist Cy Twombly is one of only three modern artists who have been asked to make a permanent piece of art for the Louvre.

VOA: special.2010.06.23

So one thing you will quickly note is that there are no permanent answers in a study of political philosophy.

有一件你们会马上注意到的事,就是没有永恒的答案,可用以研究政治哲学。

耶鲁公开课 - 政治哲学导论课程节选

And the Saudis feel that if the Iranians did have a bomb, they would be the first to feel it, China -- one of the permanent members of the Security Council -- voted in favor of the sanctions.

VOA: standard.2010.06.29

But she noted that the United States and its partners in the P-Five-Plus-One group the five permanent U.N.Security Council member countries and Germany are pursuing a two-track strategy of incentives for Iranian nuclear cooperation and "consequences" if it fails to fulfill international nuclear obligations.

VOA: standard.2009.11.09