The researchers found that thirty-seven percent of the monkeys that ate as much as they wanted had died of causes related to aging after twenty years.

VOA: special.2009.09.01

And it wouldn't be another twenty-two years after that until Milton actually published Paradise Lost.

直到22年后,弥尔顿才真正出版《失乐园》

耶鲁公开课 - 弥尔顿课程节选

They go back to this formula. If you sold it after five years, then there are twenty-five years left, so 25 x 12 is the number of months left; they plug that into this formula.

如果五年后卖掉房子,他们又搬出公式,此时剩余期限是20五年,所以剩余月份数是25乘以12,把月份数代入这个公式

耶鲁公开课 - 金融市场课程节选

Twenty years after the Civil War, the Unitedbl States had become one of the leading industrial nations of the world.

VOA: special.2010.06.03

And a twenty-four-year-old Milton, after seven years of education, simply decides not to go. Instead of joining the ministry, Milton instead returns home and he stays at home without any means of supporting himself for six years.

而24岁的弥尔顿，在结束了7年的学业之后，却决定不那么做,他反而是回到了家中,在家里呆了6年。

耶鲁公开课 - 弥尔顿课程节选

He found that those who came after Title Nine had a seven percent lower risk of obesity twenty to twenty-five years later.

VOA: special.2010.03.04

She has announced plans to end the show in September of two thousand eleven after twenty-five years.

VOA: special.2010.04.16

Twenty years ago, the European Bank of Reconstruction and Development was created to help former communist countries after the fall of the Soviet Union.

VOA: special.2011.05.27

Jo Luck stepped down this year after almost twenty years as chief executive officer.

VOA: special.2010.06.22

I think a good deal of what happened was from the inside." Twenty years after the fall of the Berlin Wall, the debate continues.

VOA: standard.2009.11.03