Definition
For a considerable duration of time.
一段時間
She has been working at that company for some time.
她在那家公司工作已經有一段時間了。
We've known each other for some time, but we've only recently become close.
我們認識已經有一段時間了，但我們最近才變得親近。
It hasn't rained in this city for some time.
這座城市已經有一段時間沒有下雨了。