casual observer編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看casual observercasual observer — 名詞名詞1. someone who sees something without detailed attention1.名詞釋義旁觀者someone who sees something without detailed attention例句To the casual observer, the garden looks unkempt, but it's actually designed that way.