最近发表在《国家科学院院刊》上的一项新研究对这一乐观前景提出了挑战。
A new study, just published in the Proceedings of the National Academy of Sciences challenges the rosy picture.
研究显示带有快乐，乐观前景的人更长寿，更健康。
Studies have shown that people with a happy, optimistic outlook live longer and healthier lives.
正是在此乐观前景的鼓舞下，众多重卡企业加快了市场推进步伐。
In this optimistic outlook inspiring, many heavy card enterprises quicken the pace of advancing market.
但到目前为止，这种担心被开发ChinaFirst的乐观前景所掩盖。
But so far those fears have been outweighed by the potential upside of developing China First.
但这个让肯尼亚的势力快速扩张到横跨东非地区的乐观前景，依赖于肯尼亚那些贪得无厌的精英人士能够解决好国内的那些麻烦事情。
But this happy scenario of a burgeoning Kenya expanding its heft across the region depends on its ever-greedy elite sorting out the mess at home.
短期内前景乐观。
前景似乎不太乐观。
那些工科毕业生的就业前景远不如以往那么乐观。
The job prospects for those graduating in engineering are far less rosy now than they used to be.
乐观和悲观都是强大的力量，我们每个人都必须选择两者之一，来塑造我们的前景和预期。
Optimism and pessimism are both powerful forces, and each of us must choose which we want to shape our outlook and our expectations.
前景乐观。
企业对它们的前景也不乐观。
我们绝不能过分乐观于经济增长的前景。
这些经济体有着较低的负债水平，前景乐观，目前被看作是取代发达经济体承担起了拉动全球经济增长的作用。
Those economies, with lower debt levels and strong outlooks, are now seen as having taken on the role of driving global economic growth from the developed economies.
持有乐观的前景同样在对抗压力时也是有效的——当对于很多疾病时它是一个众所周知的危险因子。
An optimistic outlook has also been shown to combat stress — a known risk factor for a lot of disease.
她向出席会议的卫生专家表示，有很好的理由对前景感到乐观。
She told health experts attending the meeting there were good reasons to be optimistic about the prospects ahead.
在意大利和西班牙，雇主自2008年初以来就对就业不乐观，而且他们对前景愈发的悲观。
In Italy and Spain employers have been mostly negative about job prospects since early 2008, and their outlook is getting gloomier.
甚至卡梅伦也必定很难对此事的前景感到乐观：普金并不以开明著称。
Even Mr Cameron must find it hard to be optimistic about that prospect: Mr Putin is not famed for his openness.
虽然行业期待一个持续的恢复，但2011年的前景不容乐观。
Despite industry expectations for a sustained recovery, the outlook for 2011 has clouded.
那些在新兴经济体中强势存在的公司有乐观的前景。
Companies with a strong presence in emerging economies have the rosiest prospects.
我们对大陆游客个人游的前景非常乐观。
We are bullish over the prospects of individual tourism for mainland travelers.
还有，研发碳捕获和储存技术的前景也不大乐观。
There was also a less optimistic picture for the prospects of developing carbon capture and storage technology.
即使是在零售业，市场前景也较为乐观。
欧洲其他国家和美国的前景也不乐观。
The outlook for the rest of Europe and America is scarcely rosier.
如果世界各地的农民都乐于种植那些与常规品种稍稍有些不同的作物的话，我们会有一个很乐观的前景。
It would be an optimistic scenario that, farming everywhere, people were happy to plant a slightly different variety of crop.
如果世界各地的农民都乐于种植那些与常规品种稍稍有些不同的作物的话，我们会有一个很乐观的前景。
It would be an optimistic scenario that, farming everywhere, people were happy to plant a slightly different variety of crop.
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