Habits begin when you gain some benefit for taking a particular action, but eventually the behavior becomes ingrained and you do it even when you no longer get the reward.

行为开始于你从一个特别行动中受益，但最终行为习惯变的根深蒂固后，即使你不再从中获得奖励，你也会做。

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If climate scientists can get to where they feel comfortable in terms of assigning attribution on very local scales, fine. We would even benefit from it.

如果气候学家能在非常小的区域范围内找到在各个方面来说都非常舒服的地方，实际上我们还能从中受益。

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One of the few advantages of supermarkets is that they can get food to us quickly - if we then stick it in a home morgue and wait days to eat it we lose even that benefit.

超级市场几乎唯一的好处就是，他们能为我们提供新鲜的食物，但是，如果我们把食物买回家，然后扔到冰箱里面放好上几天的话，我们无法吃到新鲜的食物了。

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But the idea of benefit often seems to get lost even in trials in the rich world.

ECONOMIST: Trial and error

"There is a population that lacks the education and opportunities to even conceive what benefit they could get from a modern nation-state, " said Anderson, who headed the CIA's Afghan task force in the late 1980s.

CNN: Experts: Voter turnout could deal blow to Taliban

Bloomberg Chief Executive Daniel Doctoroff said the company wants to "go even further and get the benefit of independent leading experts so that we set the new standard for privacy and data security, " in a statement announcing Mr. Palmisano's appointment Friday.

WSJ: Bloomberg Taps Ex-IBM Chief Palmisano to Look Into Data Practices