In those days most people left school when they were only fifteen years old.

那时候，大多数人上学只上到十五岁。

《牛津词典》

We found that only fifteen percent of our students exercise every day.

我们发现，只有百分之十五的学生每天锻炼。

youdao

Gabriela Mistral was only fifteen when she began teaching, but she was a good teacher.

加布里埃拉·米斯特拉尔开始教书时只有15岁，但她是个好老师。

youdao

The program was only fifteen minutes long then.

VOA: special.2009.08.16

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

"We've only had this technology around for about fifteen years, and most carcinogens will take about several decades, thirty-forty years to develop a cancer.

VOA: special.2011.06.06

While only fifteen percent of all op-ed pieces are by women, for instance, only fifteen percent of all articles submitted to the op-ed page are by women.

FORBES: Connect

The fund holds only four of the top fifteen holdings on the IBD 100 list, but Apple ( AAPL), Netflix, Perrigo ( PRGO) and F5 Networks ( FFIV) make up 7.43% of the fund.

FORBES: Backdoor CAN SLIM: ETFs Loaded With LULU, NFLX And BIDU

Since my current loans involve me repaying seven hundred dollars a month as a minimum for the next fifteen years with only 12 months of forbearance, I have come to the conclusion that I must make at least a wage of twenty dollars an hour simply to cover my basic living expenses in order to simply survive.

FORBES: America's Existential Peril: 29 Years Old, In Debt, and Disheartened