A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.

一个没有经过充分思考或是适配用户需求的游戏化战略可能会在短期内吸引人们的注意力，但从长远来看它不会激发人们的积极性。

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But, argues the editorial, it is not unusual for development and testing to take a long time — researchers have not given up hope of a vaccine for HIV for example.

但是该社论认为，开发和测试需要很长的时间，这并非不寻常的情况——例如，尽管经历了多次失败，科学家还没有放弃开发出艾滋病病毒疫苗的希望。

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You'd better not leave the door open too long, because it is not good for the things inside.

你最好不要离开太久敞开大门，因为它不是很好的东西在里面。

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The title of the book, Stocks for the Long Run-- stocks always outperform other investments for the long run and he says it's not due to selection bias.

书名是为《股市长线法宝》,长期投资中股票总是比其他资产有更高的收益,他认为他在研究中排除了选择性偏差

耶鲁公开课 - 金融市场课程节选

But, of course, it wasn't designed to just be fun -- it's about comfort and not keeping your arm or hand still for long periods of time.

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We've reached out to Skype for its side of the story, although there's no certainty that ARCEP will have to take action, regardless -- Skype has long disclaimed that it's not a full phone replacement and won't work for true emergencies.

ENGADGET: France investigates Skype after it doesn't register as a telecom provider (update: Skype response)

So it's really for long-term strategic use, not for, like, paying the monthly bills.

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