alpha and omega
始終;核心;重要部分
書面/口語·強調事物的根本或全部
英文釋義
the beginning and the end; the most important or essential part; the entirety or completion of something
例句
Trust is the alpha and omega of any relationship.
典故來源
源自《圣經·啟示錄》中上帝自稱“阿拉法、俄梅戛”（希臘字母首尾），象征永恒與核心。