As you're aware, this is not a new problem.

正如你所了解的，这不是一个新问题。

《牛津词典》

It is sobering to realize that this is not a new problem.

意识到这并不是新问题，就会使人冷静下来。

《牛津词典》

A new problem has arisen.

出现了新问题。

《新英汉大辞典》

But there is no final bill. And the Democrats have a new problem hey had not expected.

VOA: special.2010.01.23

And so frequently what we try and do is, we take a new problem and map it onto an old problem so that we can use an old solution.

我们经常做的一件事就是，我们处理一个新问题时,把它归结为一个老问题,以便我们能采取老的解决方式。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because one of the things that you want to do as a good designer is to basically map a new problem into a known domain.

因为如果你们,想做一个好的设计师,最基本的事情之一就是学会,把没碰到过的问题映射到已经领域中去。

麻省理工公开课 - 计算机科学及编程导论课程节选

However, we now face a new problem: that money has to come from somewhere.

FORBES: Saving the Euro Might Bankrupt France

While violence in Venezuela is not a new problem, it is getting new political traction.

NPR: Film Adds Fuel to Venezuela's Social Fires

Freeport McMoran Copper now faces a new problem related to its Indonesian mining operations.

FORBES: Indonesian Miners Strike Another Blow For Freeport At Grasberg