The only problem here is that they don't serve beer - only wine and spirits.

这儿惟一的问题是他们不供应啤酒——只供应葡萄酒和烈酒。

《柯林斯英汉双解大词典》

Is that the only problem?

只有这一个问题吗？

youdao

It's a nice table! The only problem is (that) it's too big for our room.

这张桌子的确不错！唯一的问题是放在我们的屋子里太大了。

《牛津词典》

But that is not the only problem. Because of the recession, people are traveling less.

VOA: special.2009.03.02

Now, in practice, this is not the only problem facing two firms who are trying to produce the monopoly output.

实际上 这并非两个想维持垄断产量的,企业需要面对的唯一问题

耶鲁公开课 - 博弈论课程节选

the fact that the only problem you're having is the lack of what your expressing and need for.

事实上，你唯一的问题就是你缺少或需要的东西仍未被满足。

I need 课堂 - SpeakingMax英语口语达人

The only problem with this neat little formulation is that it is wrong at every level.

FORBES: Markets don't reward smart people, nor should they.

The only problem is that if you are not careful, you might create a fiduciary relationship.

FORBES: Move up http://i.forbesimg.com t Move down

The only problem is how can you anticipate if the AMT applies to you?

FORBES: Magazine Article