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Learning to Run
摘    要:In Africa, there live antelopes and lions.In the morning, the antelope wakes up from sleep. His first sense is that he has to run faster than the fastest lion, otherwise, he will be eaten out. In the meanwhile, when the lion opens his eyes, his first thought is he must run faster than the slowest antelope,otherwise, he will starve to death.


Learning to Run
Authors:Wei Jiafu
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