If you say that an action or procedure is just a formality, you mean that it is done only because it is normally done, and that it will not have any real effect on the situation.
例句
With the Cold War almost over, the talks were a mere formality.隨著冷戰即將結束，對話就只是一種形式了。
N-COUNT
程序;正式手續
Formalities are formal actions or procedures that are carried out as part of a particular activity or event.
例句
They are whisked through the immigration and customs formalities in a matter of minutes.給他們辦理入境和通關手續只用了短短幾分鐘時間。
英漢詞典釋義
n.
拘泥形式, 拘謹;遵守禮節
There’s no time for formality in everyday life.在日常生活中沒有時間講究禮節。
正式手續
We’ll have to observe the formalities.我們得按手續辦事。
形式上的措施
The manager’s signature was just a formality.經理的簽字只是一種形式。
英英詞典釋義
Noun
1. a requirement of etiquette or custom
2. a manner that strictly observes all forms and ceremonies