.." So I probably have, you guys are in your 20s-- ... you know 20-- roughly another 60 years are going."

所以我大概还剩下，你们都是二十几岁-,二十岁-,那大概还剩下60年“

耶鲁公开课 - 死亡课程节选

It's nice to be around a lot of young people. There's a lot of people in their twenties,

我很喜欢周围有许多年轻人。这儿很多人只有二十来岁。

喜欢环境法课程 - SpeakingMax英语口语达人

I refused a girl 20-years-old at $700.00 yesterday," one trader wrote to another in 1853.

昨天我拒绝了一个,开价七百美金的二十岁姑娘",1853年一个交易商,在给另一个的书信中写道

耶鲁公开课 - 美国内战与重建课程节选