How many years have you been here?

你在这儿多少年了？

《柯林斯英汉双解大词典》

How many years did Ando spend inventing instant noodles?

安藤发明方便面花了多少年？

youdao

How many years do you want?

你想要多少年？

youdao

Researchers at Harvard University and the University of Washington wanted to find out how many years are lost with these lifestyle choices.

VOA: standard.2010.04.08

I welcome that because I've seen this subject for God knows how many years.

我鼓励你们这么做是因为我教这门课,已经很多年了

耶鲁公开课 - 基础物理课程节选

I don't know how many years it was.

我忘了是多少年前。

艺术画廊，来吧 - SpeakingMax英语口语达人

How many years has it been since the passage of the Equal Pay Act?

FORBES: Pay Gaps And Overcoming Underearning

Ms. TIFFANY MUNIER (Parent): You don't worry about the experience or how many years of teaching.

NPR: Parents Pleased with New Orleans Charter School

How many years -- how many more years can the federal budget handle the crushing costs of Medicare and Medicaid?

WHITEHOUSE: Fighting for Health Insurance Reform