FOR those who believe that climate change is a serious problem, the decisions that America makes now are of momentous importance.

对于那些认为气候变化是一个严肃问题的人们来说，美国现在作出的决定是极其重要的。

youdao

REDUCING the risks of climate change is not a technological problem.

降低气候变化的风险不是一个技术问题。

youdao

Climate change may be a problem of a different scale.

气候变化可能是一个不同程度的问题。

youdao

Most scientists agree that climate change is a serious problem that requires the attention of people and governments around the world.

VOA: special.2009.06.03

I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.

我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。

麻省理工公开课 - 计算机科学及编程导论课程节选

Change of--some small percentages, from eating? Not a problem.

一些微小的变化，比如吃饭？，没问题。

耶鲁公开课 - 死亡课程节选

How to maintain a stable middle class amid sweeping technological change is a problem the developed world is only beginning to appreciate.

ECONOMIST: The middle-class task- force

He also said that despite the U.S. Congress generally in disagreement on climate change, with politicians out of lock step with most Americans who believe climate change is a problem, Brazil believes that the U.S. will deliver on climate change.

FORBES: Connect

As to the major point that Krugman is making, that there does seem to be a blanket refusal to believe, on one side of the political aisle, that climate change is a problem we should do something about, well, yes, it seems that there is.

FORBES: Not Quite Professor Krugman, Not Quite