所以，因为你并不像你自己认为的那样快乐或成功从而不断的感到沮丧。” —艾利尔-戈尔，《蓝色知更鸟：女人和新幸福心理学》的作者。

So you constantly end up feeling disappointed because you're not as happy or successful as you think you should be, " says Ariel Gore, author of Bluebird: Women and the New Psychology of Happiness.

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不同鸟类蛋壳的颜色千差万别，鸡蛋是纯白色，知更鸟蛋是蓝色，其它蛋壳的颜色迥异：有条纹的、有斑点的、亮色的、淡色的或者是介于之间的。

Depending on the species, bird eggs can be any color ranging from chicken's plain white to a robin's blue, streaked, spotted, bright, pale, and anything in between.

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终上所述，科学家如何解释知更鸟蛋是耀眼的纯蓝色呢？也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧！

Given all this, how do scientists explain the fact that robin's eggs are an eye-catching, unmarked blue?

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