You would also engage in sports together, and you would develop a camaraderie because you were expected then to be the fighting force for your city, your city-state.

一起参加体育运动，培养友谊,因为他们将成为这座城市，这座城邦的，主要战斗力。

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So they play on sports teams, they're involved in clubs, etc. and things like that. And, so

他们会参加运动队，各种俱乐部等等。所以，

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