They must show each other kindness and pity and many other qualities without which life would be very painful unless one chose to live alone in the desert.

他们必须向对方表现出仁慈、怜悯和其他许多品质，如果没有这些品质，生活将非常痛苦，除非一个人选择独自生活在沙漠中。

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In the video clips, the babies made various facial expressions in response to real life events including playful interactions and painful ones.

在视频剪辑中，婴儿们对现实生活中的事件做出各种各样的面部反应，包括有趣的互动和痛苦的经历。

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Sometimes we have to go thru painful moments in life to make us better persons.

有时候我们必须经由生命中痛苦的回忆来让我们变成一个更好的人。

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While childbirth, within limits, varies relatively little around the world at home or in hospital, painful or less painful, safe or life-threatening nothing identifies people, nor divides them, in quite the same way as the complex rituals that different societies have evolved to dispatch their dead.

ECONOMIST: The world��s way of death

Extending life expectancy is not a benefit if the last years of life are spent in painful and undignified circumstances.

BBC: Dementia care: Your stories

In British comedy, the painful class dividers of real life are neutralized and exposed.

NEWYORKER: Dead Man Laughing