Only after we formalize such patterns can we hope to systematically construct patterns of interaction that smoothly match the behavior patterns, mental models, and goals of users. Personas provide this formalization.

• 只有当我们将这些模式定型后，我们才可以系统地构造能够顺利地匹配用户的行为、心理模型和用户目标的交互模式，人物角色提供了形式化手段。