The festival was started fifteen years ago in the parking lot of a store that sold alcoholic beverages.

VOA: special.2010.08.02

Well,if hedge funds first became mainstream maybe fifteen years ago, then what are you looking at in terms of history?

如果对冲基金,在15年前就变成主流,那么你会在它们的历史记录中看到什么呢

耶鲁公开课 - 金融市场课程节选

The only history that you would have had fifteen years ago would have been those funds that produced great returns, so it's all identified after the fact.

你只会看到在这15年的历史数据中,所有对冲基金都有着极佳的回报,这都是事后调整确认的

耶鲁公开课 - 金融市场课程节选

Somali officials say some fishermen armed themselves and began demanding money from fishing ships near the Somali coast about ten to fifteen years ago.

VOA: special.2009.05.27

Now I am happier today than I was fifteen years ago when I started. I hope to be happier 15 years from today than I am today.

现在的我比15年前的我更快乐,我希望15年后的我,比今天的我更快乐。

哈佛公开课 - 幸福课课程节选

It took place exactly fifteen years ago.

VOA: special.2009.08.25

Ten years ago,in Washington State, fifteen farmers raising sheep and other livestock formed a cooperative.

VOA: special.2010.08.03

That was down from over fifteen thousand ten years ago.

VOA: special.2010.08.13