I've been stewing over the problem for a while.

这个问题我已经考虑了一会儿。

《牛津词典》

Let's go to the cinema. That will take your mind off the problem for a while.

我们去看电影吧，这样会使你的头脑暂时不去想这个问题。

youdao

One of the more conservative plans for addressing the problem calls for a reduction of 25 billion tons of carbon emissions over the next 50 years.

为解决这一问题，一项较为保守的计划要求在未来50年内减少250亿吨碳排放。

youdao

To look at them is to see the simple solution to a problem that worried people for many centuries.

VOA: special.2010.07.14

> So if you want to just hang here for just a moment let's walk through the problem at hand.

你拿着这本书,我们来看一下这个问题。

哈佛公开课 - 计算机科学课程节选

After all,the problem that fission raises for the personality theory, in a nutshell,is that personalities can split,they can branch.

说到底，人格理论裂变问题的产生，总而言之就是由于人格可以分裂。

耶鲁公开课 - 死亡课程节选

The problem for a lot of enterprises was that formal methods like TRIZ appeared to be too formal, or somehow not relevant (I think the opposite, TRIZ is highly relevant).

FORBES: 4 Reasons Why 2013 Will Be The Year of The Innovator

The continued lack of a solution for the battery problem is causing a headache for Boeing and the airlines who have had to cancel their 787 flights.

BBC: A Boeing 787 at Farnborough air show

Eventually, as the market matures and customers understand the problem and the need for a solution, indirect sales model becomes very important from a scalability perspective.

FORBES: The Four Keys to a Successful Tech Startup