This is the 4043rd most frequent Chinese word.
几千
"几千" means "thousands" or "several thousand" in English.
In this sentence, '几千' is used to indicate a rough estimate, meaning 'several thousand', suggesting the age in years of the city.
这座城市已有几千年的历史。
This city has a history of several thousand years.
Here, '几千' is employed to approximate the quantity, implying the number of trees required to meet a restoration objective.
我们需要种植几千棵树来恢复森林。
We need to plant several thousand trees to restore the forest.
In this case, '几千' estimates the amount of money spent on an item, showcasing its flexibility in expressing monetary values.