They use written form to show the rules of game, to describe the atmosphere, and to introduce performer's performance etc.

节目进行时以书面形式使用外来语的主要作用是：说明游戏规则，描述现场氛围，介绍表演者的表演等。

youdao

First, I'll explain the rules of the game.

首先我要说明一下游戏规则。

《牛津词典》

The rules of this game had changed.

这个游戏的规则已经改变了。

youdao

Although there are likely several reasons for this, and the sampling size might not qualify this as a statistically significant result, I would offer that if you approach a game with the idea of how to work around the rules of the game in increase your odds of winning while your opponents are simply following the rules, your chances of winning will dramatically improve.

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The collision of WBC rules and the unwritten rules of the game led to the blowup, Renteria said.

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The game is always capable of changing and you want to be the one that changes the rules of the game.

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