If you wish to take a break from fighting altogether, you can use World of Warcraft's trade skill system.

如果你想从战斗中脱离出来进行休息，你可以使用魔兽世界的交易技能系统。

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This system relies on skill and experience.

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However, because some character classes or skill sets can easily defeat characters of other classes or skills in many MMORPGs, developers should consider a skill-point character development system over a class-based system to balance play and to provide an opportunity for any character class engaged in combat to win.

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The other consequence is many of the people who lose their own setup are eventually absorbed in the big box system as low-skill employees getting paid the bare minimum wage.

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