This is the 2321st most frequent Chinese word.
一千
One thousand.
Here, '一千' specifies the quantity 'one thousand', showcasing its numerical value as a count.
或者我们需要一千张椅子。
Perhaps we need one thousand chairs.
In this case, '一千' is used figuratively to emphasize a large, indefinite number.
这个问题已经被讨论了不止一千次。
This issue has been discussed more than a thousand times.
Here, '一千' serves to provide a quantity for how many books there are.