And that is a problem since there are only twenty-four hours in a day.

VOA: special.2010.06.04

The problem is the same, how do I get the gene that I want into only the cells that I want?

同样的问题又来了,怎样准确地,把目的基因只导入特定细胞呢

耶鲁公开课 - 生物医学工程探索课程节选

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

"In the long run the only real way to solve this problem is to make sure that we've got a Palestinian state side by side with an Israel that is secure."

VOA: standard.2010.06.10

The problem with finance is that it's a beautiful -financial institutions are beautiful structures but they only are as good as the people who use them.

金融业的问题是...,金融机构的结构十分巧妙,但它们的优劣取决于从业人员

耶鲁公开课 - 金融市场课程节选

"The problem is, it is not only the government," "It is just that we have facilitated it and enabled it and we have largely been insouciant about it for the past eight years.

VOA: standard.2009.11.17

Your problem is to only look at the forces of contact on you, and that is just this f.

你只需要注意那些直接作用在这个物体上的力,那就只有 f 了

耶鲁公开课 - 基础物理课程节选