If you weren't changing companies every three or four years, you simply weren't getting ahead in your career.

如果你不每三四年换一次公司，你就无法在职业生涯中取得进步。

youdao

Once every three or four years, when conditions are right, the lake is covered with the pink birds as they stop flight to breed.

每隔三四年，条件适宜时，湖面上就会布满火烈鸟，它们停止飞行开始繁殖。

youdao

We forget so quickly what the problem was three or four years ago.

我们会很快忘记三四年前的问题。

youdao

(Speaking in Russian) Arutyunov says nationalism receded somewhat about three or four years ago.

VOA: standard.2010.04.01

After decades of relatively unspectacular growth, compared to the east Asian economies, India's economy suddenly took off three or four years ago, growing at 8% or more a year.

经历了几十年的相对高速发展后，与其他东亚经济体相比，印度经济三或四年前突然开始腾飞,以每年8%甚至超过%,8%的速度增长。

普林斯顿公开课 - 国际座谈会课程节选

You're three or four years old.

你到了三四岁的年龄。

耶鲁公开课 - 心理学导论课程节选

Garland has made fairly regular appearances in the relay over the past three or four years.

BBC: Garland delighted by Beijing spot

"We have acquired 11, 000 acres of land in the past three or four years, " he says.

FORBES: Magazine Article

What will push the trend value of the euro over the next three or four years?

FORBES: Europe Will Recover As The Euro Falls