Pareto efficiency means that no one can be made better off without someone becoming worse off.
帕累托有效是指没有哪个人的境况可以在所有其他人的境况都不变差的情况下有所改善。
Mechanism design has “incentive efficiency”: given compatible incentives, no one can do better without someone doing worse.
机制设计则具有“激励有效”：在激励相容的情况下，没有人的境况可以在其他人的境况都不变差的情况下有所改善。
Rarely a day passed by without someone asking me to install some new piece of software, to get their printer up and running again, or teach them how to use some new program.
几乎每天都有人请我帮忙安装新软件，将他们的打印机弄好，或者教他们如何使用新程序。
For those that are familiar with the night life here, they know all too well that it is hard to plan an evening out on in Taipei without someone mentioning going to a KTV.
熟悉此地夜生活的人都十分清楚，在台北若想在外头安排个晚间的活动，总免不了会有人提到上ktv。
Without someone protecting the world's interesting and ancient sites, they could easily be swept away by the changing world.
世界上有趣和古老的遗址若是缺少保护，就很容易因世界变迁而被摧毁殆尽。
Without someone protecting the world's interesting and ancient sites, they could easily be swept away by the changing world.
世界上有趣和古老的遗址若是缺少保护，就很容易因世界变迁而被摧毁殆尽。
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