It goes some way towards explaining why books about swimming, in which people tackle icy legs, race and rivers, and overcome oceans while reflecting on their lives have recently become so popular.

这也在一定程度上解释了为什么关于游泳的书最近如此受欢迎，书中讲述了人们如何处理冰冷的腿、竞赛和河流，以及如何在战胜海洋的同时反思自己的生活。

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That is why the smallest of the herbivores, Thomson's gazelle, lives on fruit that is very nutritious but too thin on the ground to support a larger animal.

那就解释了为什么最小型的食草动物，汤普森瞪羚，能以水果为食；虽然水果非常有营养，但是在地面上太稀少，不足以维持体型更大的动物生存。

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Why not think about creating positive situations ? that will help us lead happier, more moral lives?

为什么不创造积极的环境,让我们获得更快乐更讲道德的生活？

哈佛公开课 - 幸福课课程节选

Again,getting rid of the negative does not guarantee us the positive, which is why already in the 1940s, wrote that most men lead lives of quiet desperation.

再强调一次，摆脱消极,不能保证我们变得积极，因此早在19世纪40年代，认为，大多数人都活在沉默的压抑中。

哈佛公开课 - 幸福课课程节选

Why are the living dead taking over our lives, and why have so many other domains of American culture, from architects to academics to departments of the federal government, been so eager to jump on this macabre bandwagon?

WSJ: Why Zombies Are Everywhere

So, then, if this is such an amazing platform-to-be, a device that will change our lives, why wasn't Maris wearing a Project Glass headset himself?

ENGADGET: Bill Maris, the Man Behind Google Ventures, on the Present Challenges and Future Potential of Glass

If staying close to mothers helps boys to perform better in school, act less aggressively and avoid behaviors that will derail their lives, why is it still so discouraged?

WSJ: Who Are You Calling a Mama's Boy?