It may seem rather strange that I have returned to college to finish the degree I left undone some four decades ago.

我回到大学，完成我四十年前没有完成的学位，这似乎有些奇怪。

youdao

So it may seem rather strange that I have returned to college to finish the degree I left undone some four decades ago.

因此，我回到大学完成我四十年前没有完成的学位，这似乎有些奇怪。

youdao

A more disturbing trend in America today is that teens are spending far less time reading than around four decades ago.

当今美国一个更令人不安的趋势是，青少年花在阅读上的时间比40年前要少得多。

youdao

Efficient markets" is a theory about-- well it came in about three decades ago, maybe it's closer to four decades ago-- it's a theory that financial markets work very well and incorporate information very well.

有效市场是...,大约三十年前,甚至四十年前,有人提出了这一假说,他认为金融市场运行良好,而且信息披露全透明

耶鲁公开课 - 金融市场课程节选

They were equally pessimistic four decades ago, when mods and rockers scuffled in seaside towns.

ECONOMIST: A new worry, and a new political buzzword

A. Yusuff Ali, 57, who migrated to the Middle East four decades ago (but remains an Indian citizen).

FORBES: Middle East Retailer Yusuff Ali Emerges As Billionaire

Many of the institute's researchers were anti-Stalinist communists who were jailed, four decades ago, for joining the rebels.

ECONOMIST: Hungary��s history