He was given a 40-year sentence in 1992, which was later reduced to 30 years on appeal and further reduced to 17 years.

VOA: standard.2010.07.07

The control group that joined no intervention actually were more luckily to advance in their workplace 20, 30 years later.

未参与干预的对照组,更有可能在二三十年后获得升职。

哈佛公开课 - 幸福课课程节选

Finally, studies have been done of college yearbook photos looking at people thirty years later.

最后，所做的研究是,30年后大学年鉴上人们的照片。

耶鲁公开课 - 心理学导论课程节选

The death of the other man doesn't take place until 20,30,40,whatever it is,years later.

那个人的死亡发生在20，30，或者40年后。

耶鲁公开课 - 死亡课程节选