应用程序的开发过程在不同的开发阶段涉及到许多用户角色。

The process of application development involves many user roles at different stages of development.

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多用户地下城、维或域(Multiuser dungeon, dimension, or domain, MUD)游戏通常是基于文本的多用户角色扮演游戏。

Multiuser dungeon, dimension, or domain (MUD) games are typically text-based, multiuser, role-playing games.

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勋章随着时间“升级”的特征使得它就像一个RPG(角色扮演)游戏，很多用户甚至拥有卡通化的图标来代表他们的在线形象。

Even better, badges "level up" over time like in RPG games; many users also have cartoon-like avatars to represent their online presence.

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