Why do so many climbers risk their lives?

为什么会有这么多的登山者冒生命危险？

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Why, experts wail, so many people are willing to waste their lives in the virtual world to solve meaningless puzzles?

专家们悲叹，为何如此多人愿在虚拟世界中为解决无意义的谜题而浪费生命呢？

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I'd never heard a more soft hearted explanation as to why animal lives are so short.

关于为什么动物的生命如此短暂，我从来没有听到过比这更让人心软的解释。

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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

Trying to eke out a living, the poor do not have enough time to consider why their lives have become even more wretched after the 10 years that their "favourite" has spent in power.

BBC: NEWS | Europe | Press denounces Belarus poll

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