There is reason to be optimistic, however.

但是，有理由表示乐观。

youdao

If the child just isn't "getting it," then there is reason to be concerned.

如果这个孩子还没有意识到这个问题，那么就有必要为他担心了。

youdao

There is reason to question the company's categorization of web traffic, but the trend is worth examining none the less.

人们有理由怀疑该公司的网络流量分类方式，但趋势仍然值得研究。

youdao

Still,there is reason to celebrate the variety and energy of music created in the United States today.

VOA: special.2010.07.19

Is there any good reason to believe that we don't believe that we're going to cease to exist as a person?

有没有一个好的理由相信,我们不相信,自己会停止作为一个人的存在呢？

耶鲁公开课 - 死亡课程节选

Is there any particular reason that you prefer living in San Francisco to other places?

和其他城市相比，你喜欢住在旧金山有没有什么特别的理由？

适合创业的旧金山 - SpeakingMax英语口语达人

But there is reason to doubt that Sanofi's success with Acomplia will come from obesity alone.

FORBES: French drug giant Sanofi prepares for fat city.

For the first time in years, there is reason to hope China may be more helpful.

CNN: How to stop the North Korea madness

In each case, there is reason to believe this is more than just an aberration.

WSJ: Don't Blame the Yankees' Replacements