Although interest in the World Expo has declined recently, many countries have made an extra effort to participate this year because China is the host.

VOA: standard.2010.05.02

They are trained and have an interest in modern poetry, and this is a happy collaboration for me with them.

他们非常有经验，并且对现代诗歌也有所涉猎，对我而言，能和他们一起工作是很令人开心的。

耶鲁公开课 - 现代诗歌课程节选

So I have an interest in art.

我对艺术感兴趣。

喜欢毕加索吗？ - SpeakingMax英语口语达人

We don't have to have an interest in it in order to appreciate it.

我们不会有想欣赏它的兴趣。

耶鲁公开课 - 文学理论导论课程节选

It may be obvious to you, the developer or the computer scientist or the engineer, well, obviously, I just click, here, here, here, here, here, here and voila, out comes my ticket, but most people don't have an interest in that process and a lot of people, this person in particular, just don't necessarily understand that process.

这对于开发人员，或者计算机专家或者工程师,可能是显而易见的，呃，显然地，我只要点击这里，这里，这里，这里，这里，瞧，我的票出来了，但是大多数人没有兴致,来做这些步骤，很多的人，特别是这个人，不见得懂得这些步骤。

哈佛公开课 - 计算机科学课程节选

We don't have to have an "interest" in it in the sense of owning part of a company.

我们也不必对其有兴趣,不必弄得就好像我们是公司股东一样。

耶鲁公开课 - 文学理论导论课程节选