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来源:雅诚德英语网
The conventional view is that carotenoids are meaningful because they are rare: healthier males can forage for more of the pigments than can their inferior counterparts.
传统的观点认为类胡萝卜素之所以有意义,是因为它们很罕见:健康的雄性可以比它们的同类寻找到更多的色素。