reason and motivation的用法和樣例：
例句
- Why doesn't it arouse great fervor and motivation for following through to that moment of Joining?
為什麼到達結合那一刻之前的過(guò)程絲毫引不起任何的激情與動(dòng)機？ - The primary theme of this book is purposeful design based on an understanding of user goals and motivations.
本書(shū)的主題是基于用戶(hù)目標與動(dòng)機的理解，采取目標明確的設計。
