chief end的用法和樣例：
例句
- A major goal of the UN is to help prevent conflicts and end wars.
聯(lián)合國的一個(gè)主要目標是幫助防止沖突并結束戰爭。 - The chief purpose in life of many of our ancient rulers was to gain wealth and power by grinding the face of the poor.
我們古代許多君主生活中的主要目標就是通過(guò)欺壓窮人來(lái)獲取財富和權力。
