There are over one hundred Shakespeare festivals and many permanent theaters that perform his works.

VOA: special.2010.01.13

Rather the great works provide us so to speak with a repository of fundamental or permanent questions that political scientists still continue to rely on in their work.

而不是靠巨著来回答,这么来说吧，大量基本或永恒的问题,同时也是政治科学家,仍持续在其著作中所倚赖的根本。

耶鲁公开课 - 政治哲学导论课程节选

About fifty works are shown at any one time in its permanent collection.

VOA: special.2010.04.14