This goes back in time from the text we were discussing last time in the teens and twenties to 1901.

这要回到我们上次课所讲,他年少时直到1901的那段时期。

耶鲁公开课 - 现代诗歌课程节选

Some of those kids will need coronary bypass surgery in their twenties; some of them will be blind by the time they're thirty.

这些孩子有的要在二十多岁时,做冠状动脉搭桥手术,有些人在三十岁的时候会失明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And then in the early eighteen twenties, he decided to incorporate this as the main theme of the last movement, the finale of his last symphony.

之后,在十九世纪二十年代早期,他决定将这一段,作为结尾乐章的主旋律,也就是他最后一部交响曲的最终乐章

耶鲁公开课 - 聆听音乐课程节选