丽贝卡·刘易森：这听起来像是很简单的问题：多少才算是太多呢？
Rebecca Lewison: It sounds like a very simple question: How much is too much?
为了解决这个问题，刘易森正着手研究鱼类、海洋生物和海洋环境之间复杂的关系。
In order to answer that question, Lewison is studying the complex interactions between fishers, Marine species, and the ocean landscape.
最后，美国运动员贾森·理查德森获得金牌，刘翔获得银牌，英国的安德鲁·特纳获得铜牌。
Jason Richardson of the United States was awarded the gold medal with Liu getting silver. Britain's Andy Turner won bronze.
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