opening line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opening lineopening line — 名詞名詞1. the first sentence or remark in a conversation, speech, or text1.名詞釋義開場白the first sentence or remark in a conversation, speech, or text例句His opening line at the meeting was a joke.