Besonderhede van voorbeeld: 8679971893601162350

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Author: QED

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English[en]
And again, you don't teach an animal to play Ping- Pong by waiting for it to play Ping- Pong and then rewarding it.
Korean[ko]
다시 말하자면 동물들이 탁구를 칠 때까지 기다린 다음 보상해 주는 것이 아니라,

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