“怎么搞的，”乔纳森觉得纳闷，“世界上最难办的事怎么倒是使一只鸟儿确信他自己是自由的，而且可以亲自加以证明，只要他肯略微花费点时间练习练习？”

"Why is it," Jonathan puzzled, "that the hardest thing in the world is to convince a bird that he is free, and that he can prove it for himself if he'd just spend a little time practicing?"

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