它通常用在已知存在解决方法，但不确定方法有几个的情况下。

It is commonly used in situations where existence can be established but it is not known how to determine the total number of solutions.

youdao

他口袋里有几个便士的硬币。

He had a few pennies in his pocket.

《牛津词典》

我们有几个临时工的空缺。

We have several vacancies for casual workers.

《牛津词典》

So this is a thing, Week Number Four, saw very commonly, which was -- this is something we saw commonly and there's a couple of issues here.

所以这是一件事，第四个，一般的分解，那是我们讲解的东西,这里有好几个问题。

哈佛公开课 - 计算机科学课程节选

Lots of 6-year olds, 9-year olds, 12 year-olds, a couple teenagers, and I do have 2 adult students.

很多六岁、九岁、十二岁的学生，几个青少年，我也有两个成人学生。

和钢琴老师 - SpeakingMax英语口语达人

One problem is that they're not always accurate and there's a couple of factors that could lead them away from accuracy.

其中一个问题就是它们并不总是准确的,有几个因素,能减低它们的准确性。

耶鲁公开课 - 心理学导论课程节选