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In a world of asymmetric information, the design of mechanisms to ensure transparency and fairness is crucial.

Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.

我嘗試?yán)梦业钠脚_傳播積極和善意，因?yàn)檫@個世界需要更多這樣的東西。