有一段时间

for a while

→ 有
phrase Rare #32,726
for a while Refers to a stretch of time, often a period in the past.
CH: 有一段时间,她每天都去游泳。
EN: For a while, she went swimming every day.

有一段时间我跑船之后,没什么联络了

For a while after I went to sea, we lost touch.

— 阿飞正传 (1990)

他在这儿住了有一段时间了。

He has been living here for quite some time.

有一段时间他常常送我回家

For a while, he often walked me home.

— A Sun (2019)