Picture one person being handed a sealed task by the people at the top, and then being sent somewhere to carry it. They are not a clerk following orders one at a time — the rank in high means they can decide, and when they speak, the body that sent them is speaking. What changes from use to use is only what is in the envelope: a problem, a country, or a piece of land.
可以想成上面的人把一份封好的任務交到某個人手上，然後派他出去執行。他不是聽一句做一句的辦事員——high 這個字代表他有決定的份量，他開口的時候，是派他出來的那個機構在說話。這個字的三種用法，差別其實只在「信封裡裝的是什麼」：一個議題、一個國家，或者一塊土地。
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