But in thirty years, only seven acres have been uncovered.

但是三十年来，仅找遍了七英亩。

youdao

Some children are scared; some have been convinced they cannot learn, but in thirty years of teaching I never met a child who did not want to succeed.

有的孩子很害怕，有的孩子总认为自己学不好，但是在我30年的教育生涯中，我从未遇到一个不想成功的孩子。

youdao

People sure like to talk about the competition between these two companies–which makes sense, since it's been going on for at least thirty years–but it's really been pretty quiet in recent years.

人们对于这两家公司之间的竞争一直以来都津津乐道——都争了三十几年了，这也见怪不怪——但是近年来人们开始对这个话题失去兴趣了。

youdao

I guess this is what Hobbes meant by "Nasty, short, and brutish," Or whatever the fourth was. I don't remember, but what life was in the Thirty years' War, that was the way it was.

我猜这就是霍布斯所谓的,"污秽不堪,朝不保夕,野蛮不化",第四个我记不得了,三十年战争时期的生活就是如此

耶鲁公开课 - 欧洲文明课程节选

He has given large sums of money to L.A. arts institutions about a hundred and forty million dollars in the past thirty years but in return he has expected a degree of fealty that many in the art world find unseemly.

NEWYORKER: The Art of the Billionaire

At one time, her grandfather had owned thirty or forty shops in the Old City, but these had been sold off more than thirty years ago, before Lahore grew, in the nineteen-fifties and sixties, and prices increased.

NEWYORKER: In Other Rooms, Other Wonders

It has taken nearly thirty five years but finally the airlines are in such a dominant market position the consumer is rendered helpless.

FORBES: Protect Your Wallet: Regulate The Airlines