Halloween is the gaudiest example of the infantilization of the American culture.

万圣节是美国文化不成熟最俗丽的表现。

How this plumage evolved is no mystery: he healthiest males usually have the most spectacular plumage, so females choose whichever male has the gaudiest feathers.

最健康的雄性往往拥有最炫目的羽毛，所以雌性会选择有着最绚丽羽毛的雄性极乐鸟。

How this plumage evolved is no mystery: the healthiest males usually have the most spectacular plumage, so females choose whichever male has the gaudiest feathers.

它是怎么进化成这样的并不神秘：最强壮的雄性拥有最美丽的羽毛，所以雌性会选择那些拥有最华而不实的羽毛的雄性。