translation.en: Well, one of the ways that we can start is to try to come up with some general characteristics or properties of emotion-like states such as arousal, and see if we can identify any fly behaviors that might exhibit some of those properties.
translation.zh: 好了，其中一个方法是我们可以从 试着提炼出一些情感状态的 一般特性或属性 比如刺激，然后看看我们是否可以分别出 任何可能展现果蝇的那些属性的行为。