After many years of research, he wrote the book "The Origin of Species" in eighteen fifty-nine.

VOA: special.2009.12.16

Carlsberg Brewery for many years has sponsored scientific research through the Carlsberg Foundation.

嘉士伯通过嘉士伯基金,多年来一直在赞助科学研究。

麻省理工公开课 - 固态化学导论课程节选

Very high correlation between the two which in many ways gives credence to the many years of research that has been conducted, before we have the technology to do it in a more sophisticated way.

两者有很大关联，这在很多方面,给多年来进行过的研究提供了可信度，在拥有技术进行更全面的研究之前。

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