Homestake operated as a gold mine for one hundred twenty-five years before closing about nine years ago.

VOA: special.2009.07.21

He's born, in fact, twenty years before the American Civil War.

他是在美国内战结束后的二十年出生的。

耶鲁公开课 - 现代诗歌课程节选

Now it's still going to be another twenty-five years before Milton writes the great epic, but Milton will no longer express the same degree of anxiety about under-preparation to write the great epic.

距他成为真正的史诗诗人,还有25年，但是弥尔顿不会再轻易表现出,关于创作史诗毫无准备的同等的焦虑了。

耶鲁公开课 - 弥尔顿课程节选