He also wrote the sport's official rules.

他还撰写了这项运动的官方规则。

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Ultimate is a real sport, with official rules, leagues, competitions at all age levels.

极限飞盘是一项真正的运动，有着官方的规则、联盟和各年龄层的竞赛。

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Morley introduced the idea of a football association and wrote the sport's official rules.

莫利引进足球协会的概念，并为足球运动拟写了正式的规则。

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This powerful form of creative expression usually involves art made outside the limits and rules of official culture.

VOA: special.2010.04.14

But there are no official "rules" for a Thanksgiving meal.

VOA: special.2009.11.23

Moreover, the necessity of walking is not mentioned anywhere in the official rules of golf.

ECONOMIST: Fore!

The Sponsor's failure to enforce any term of these Official Rules shall not constitute a waiver of that provision.

ENGADGET: blogger-avatar

As always, please make sure to check out the official rules for all the details.

ENGADGET