每年这个时节都有可能下霜，只是并不常见。

Frost is possible, although unlikely, at this time of year.

《牛津词典》

然而，天才并不常有。

Natural geniuses, however, are not common.

youdao

我爸爸忘了这里是中国，而在这里给小费并不常见。

My dad forgot that here is China, and tipping is not common.

youdao

But what you need to understand about the Greeks is that they don't eat a lot of meat.

但是你们需要理解的是,希腊人并不常食肉

耶鲁公开课 - 古希腊历史简介课程节选

I go to Amsterdam--not frequently, but I've been there ten or twelve times, or something.

我去过阿姆斯特丹,虽然并不常去,但也去过大概十次或者十二次

耶鲁公开课 - 欧洲文明课程节选

So I think, at least when there's the need to be careful-- maybe we don't normally have a need to be careful-- but when there's the need to be careful, we should say, talk of the mind is a way of talking about the P-functioning of the body.

所以我认为,至少在需要严谨的时候,也许我们并不常需要如此严谨,但是当我们需要谨慎时,我们应该会说,心灵是表达,肉体人类能力的一种方式

耶鲁公开课 - 死亡课程节选