So it's a world problem.

所以这是一个世界性的问题。

youdao

The world is not the last word. You remember, it's not like a mathematical problem so there's no solution.

世界也不是最后的定论，你们记住，哲学问题不像数学问题，因此没有答案。

youdao

The only problem with this world; it's a little harder to play in.

世界范围内使用这项技术只有一个阻碍：要大家全盘接受它有点儿难。

youdao

And since it's a global problem,he adds, it will always be helpful for cities around the world to exchange ideas and experiences to benefit from each other's innovative solutions.

VOA: standard.2010.07.26

It's a difficult problem that not everyone is smart -they vary in their ability -so we try to make a world in which it's pretty safe for the small investor who's not paying attention.

不是所有人都是聪明人,这是个难题,大家能力不同,所以我们试图营造一个环境,一个让小投资者感到安全的环境,而无需忧心忡忡

耶鲁公开课 - 金融市场课程节选

It shows that the world's current approach to the problem of climate change is a mostly ineffective mess, and that although there are alternative approaches this is not a fatalistic book they will be hard and time-consuming to get up and running.

ECONOMIST: Some good ideas about how to break the gridlock

"If the choice is to send in troops to secure the weapons sites versus allowing chemical weapons to get into the hands of some of the most violent people in the world, I vote to cut this off before it's a problem, " Graham told a group of reporters.

NPR: Commander: Contingency Plans Under Way For Syria