An exception occurs occasionally in cases where customers for a particular industrial product may be few and easily identifiable.

偶尔会出现例外情况，即某一特定工业产品的客户可能很少，而且容易识别。

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Successful women politicians are few and far between.

成功的女政治家少之又少。

《柯林斯英汉双解大词典》

My house used to be crowded with visitors, but now visitors are few and far between.

从前，我家总是门庭若市，现在却是门可罗雀了。

youdao

These men got rich. But such areas were few and quickly claimed by the first men to find them.

VOA: special.2010.04.25

Now the trace you notice on the left side has very few and very sharp deflections.

现在大家注意到左侧的变位,很少但是很剧烈。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

You've been working so hard lately and you finally get a few minutes to yourself. So, you can go to the club.

最近你工作非常辛苦，现在终于有一点时间留给自己。所以，你可以去夜店放松一下。

I'm ~ing 课堂 - SpeakingMax英语口语达人

The bad news is that life is messy, and neat experiments few and far between.

FORBES: What Did You Know, and When Did You Stop Knowing It?

Unfortunately, those rules that actually reduce regulatory burdens and promote jobs are few and far between.

WSJ: Susan Collins: The Economy Needs a Regulation Time-Out

Wildlife cops are few and far between, and the bad guys operate deep underground.

NPR: Poaching Sheds Light on Market for Eagle Parts