Previous studies have found that more optimistic people have a lower risk of developing chronic diseases, and a lower risk of premature death.

之前的很多研究已经发现，越乐观的人得慢性病的风险越低，过早死亡的风险也越低。

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I am optimistic, however, that a connected humanity will find a way uplift itself.

然而，我乐观地认为，一个相互联系的人类将找到一种自我提升的方式。

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We are now taking a more optimistic view.

我们现在抱较乐观的看法。

《牛津词典》

For many years, popular singer Dinah Shore invited optimistic post-war Americans to take to the highway and see their country in a Chevrolet.

VOA: special.2011.07.21

Perhaps you are a little bit more optimistic, a little bit more utopian-- human nature can be improved.

也许你更乐观，更加乐天，人性可以改善。

哈佛公开课 - 幸福课课程节选

And so this will only come as confirmation." A just-released nationwide survey of Afghans finds them more optimistic than expected, but still concerned about corruption and insecurity.

VOA: standard.2009.10.28

Our most recent forecast -- a cautiously optimistic one -- is based on the expectation that the key Crisis economies should bottom out in early to mid-1999 and begin to recover slowly thereafter.

CNN: REFORM IS CRUCIAL

This requires a semi-optimistic view of current events.

FORBES: Half empty, half full, or almost drained?

Even the consensus sell-side long-term EPS growth forecast, normally seen as a casually-generated and typically optimistic ornament to the overall suite of analyst estimates, calls for EPS to decline at a 5.2% annual rate.

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