I shall always be grateful to my former teacher for introducing me to the study of language.

我将永远感激以前的老师引领我进入语言研究领域。

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The former smokers in the study were all heavy users who smoked at least a pack of cigarettes a day for 30 years or more, and all of them also showed signs of chronic bronchitis or emphysema.

该研究中戒烟者都曾是严重吸烟者，他们曾每天至少吸一包，时间长达30年或更久，而且他们也都出现慢性支气管炎或肺气肿的迹象。

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But for decades the study of economics paid little heed to the former and relegated the latter to a sub-discipline, not an essential element in broader theories.

但是，几十年来，经济学研究却很少去关注前者，而且还把后者降级为一门分支学科，没有使之成为更广泛的理论的一个基本组成部分。

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But a big attraction is the 57-year-old Yau himself: He's the leading Chinese mathematician and ranks among the top ten in the world, says Phillip Griffiths, a math professor and a former president of the Institute for Advanced Study in Princeton.

FORBES: Plugging A Math Gap

Maybe the impact of concussion-related lawsuits and the reports of former players shooting themselves in the heart in order to preserve their brains for future study will be felt someday soon.

FORBES: Why Is Football So Popular?

Ali, a former Bradley fellow at the Center for the Study of Pubic Choice (founded by the late James Buchanan), at George Mason University, wrote an academic paper describing the similarities between bureaucracies and charities.

FORBES: Like Humans Need Oxygen, Bureaucrats Always Need More Money