user-centered的用法和樣例：
例句
- Personas provide a common language for discussing design decisions and also help keep the design centered on users at every step in the process.
人物角色為討論設計決策提供了一種共同語(yǔ)言，并且可以有效地保證設計過(guò)程中的每一個(gè)階段均以用戶(hù)為中心。 - Although these goals do need to be addressed, they must not be addressed at the expense of the user.
雖然我們需要考慮并處理這些目標，但不能以用戶(hù)為代價(jià)。
