We provide a 5-year guarantee against rust.

我们保证5年不生锈。

《牛津词典》

I have a 7-year-old daughter, and a 5-year-old son.

我有一个7岁的女儿和一个5岁的儿子。

youdao

I went to see it with my 5-year-old son last Sunday afternoon.

上个星期天下午，我和我5岁的儿子去看了它。

youdao

And finally, the 10th news story of the year was the 5-day war between Russia and Georgia.

VOA: special.2009.01.03

If you look at the ten best-performing Internet funds from 1997 to 2002, the time-weighted return is 1.5% per year positive, so the funds went way up and then they went way down.

这十个表现最好的网络投资基金,从1997年到2002年,时间加权回报率是每年1.5%,基金一路涨涨跌跌

耶鲁公开课 - 金融市场课程节选

But it's positive 1.5% per year, time-weighted--that's the number that you see in the prospectus or the number that you see in the advertisements so you say, what's the big deal, no harm no foul.

但算下来回报率每年还是正的1.5%,时间加权回报率,是你在招股说明书中,或是在广告中会看到的数字,你会说,没什么大不了,既没损失,也不违法

耶鲁公开课 - 金融市场课程节选