Maybe you like old songs from the nineteen fifties or sixties that are still well known and popular today.

VOA: special.2010.06.06

Pages and pages of them, so no one expects you to know all those identities, but there are a few popular ones we will use.

好几页的内容,我不要求你们都能记下来,但是我们会用到一些著名的恒等式

耶鲁公开课 - 基础物理课程节选

They are all, you know, very popular. All the mainstay ones.

它们全都非常出名，都是电影业的支柱。

廉价看音乐剧的方法 - SpeakingMax英语口语达人