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ball control
Ball playing was thought of mainly as a way to teach young men the speed and skill they would need for war.
打球不过主要是训练年轻人他们为打仗而需要的速度和技巧。
youdao
There was skill involved when ball speeds got high, but the act of playing Pong did not produce any IP.
FORBES: Online Games And Crowdsourced Creativity: The Next Frontier In Intellectual Property
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