Notwithstanding, the problem is a significant one.

然而，这个问题仍很重要。

《牛津词典》

The problem is getting rid of nuclear waste.

问题是如何处理核废料。

《牛津词典》

The problem is millions of people are unemployed.

问题是成百万的人失业。

《柯林斯英汉双解大词典》

He says the current interest in straw bale houses is a direct response to the problem of climate change.

VOA: special.2009.10.05

So, where is Nabokov in here? I think that's one of the places where Nabokov is. It's Nabokov meditating on this problem.

那么，在这一段中纳博科夫在哪里呢？我，认为这是他所,存在的一个地方，纳博科夫正在沉思这个问题。

耶鲁公开课 - 1945年后的美国小说课程节选

Well, this is a problem that we have solved and will solve in the weeks to come. See you Monday.

嗯，这是我们解决了的一个问题,并且将在接下来几周来解决这个问题，下周一再见。

哈佛公开课 - 计算机科学课程节选

In the U.S., the problem is similar.

FORBES: When Sovereign Default Is The Most Attractive Option

Central to the U.S. pension problem is the fact that the U.S. Securities and Exchange Commission, charged with protection of investors in the securities markets, has seldom provided advice specifically for protection of participants in pensions and the U.S. Department of Labor lacks sufficient understanding of the securities and asset management industries to provide guidance to sponsors of and participants in pensions.

FORBES: International Campaign to Eliminate Pension Consultant Abuses (November 2, 2004 )

Ratings agencies have issued warnings to the U.S. that U.S. credit will be downgraded if the fiscal cliff problem is not sufficiently resolved.

FORBES: A.M. Kitco Metals Roundup: Comex Gold Weaker on Profit Taking, Chart Consolidation