Many thought it was' miasma ', bad air, which played a key role in the transmission of disease.

很多人都认为“迷雾”，或者坏的空气，是传播疾病的罪魁祸首。

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From this story, we can see the author's deep love for the sea, travel and adventure, which played a vital role in his life.

从故事中我们可以看到作者对于海洋，旅游和冒险的热爱。这在他的一生当中扮演了很重要的角色。

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Capital inflows, which played a big role in fueling local demand in recent years, have all but dried up as risk-averse investors shun emerging markets.

资本流入近年来在推动本地需求方面发挥了重要作用，但随着规避风险的投资者远离新兴市场，资本流入几乎枯竭。

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Drug Enforcement Administration, which played a major role in the latest crackdown.

VOA: standard.2009.10.22

It emerged from a unique history in which chance and accident often played a vital part.

它出现在这段独特的历史中,其中机遇和偶然性扮演了重要角色

耶鲁公开课 - 古希腊历史简介课程节选

The game I just put up, that's a trivial example, it didn't really matter which equilibrium we played here, we just wanted to play an equilibrium, is that right?

但是现在讨论的这个小案例呢,到底达成哪个均衡并不重要,重要的是我们要达成均衡,是这样吧

耶鲁公开课 - 博弈论课程节选

Most if not all of the time, I was plugged into my satellite radio or my app-filled iPhone, which played a steady stream of commercial-free music catering to my tastes.

CNN: Who needs radio? I'll take the Web

Despite his best efforts, he has been unable to inspire Gloucestershire to promotion from Division Two of the County Championship, which played a part in dressing room rifts last summer.

BBC: SPORT | Cricket | Bracewell fulfils ambition

During its golden age, Timbuktu was a thriving desert trading town at the heart of important trade routes for gold and salt, and a major intellectual and spiritual center, which played a key role in the spread of Islam in Africa.

CNN: Timbuktu: Mali's treasure at risk from armed uprising