formality

Since everyone already agreed to the proposal, the final vote was just a formality.

(Chinese) 既然大家都已经同意了提案，最后的投票仅仅是一个程式。

Please complete the registration forms; it is a necessary legal formality for all guests.

(Chinese) 请填写注册表；这是所有客人都必须履行的法律程序。

The extreme formality of the royal wedding impressed the visiting diplomats.

(Chinese) 王室婚礼极高的正式程度给来访的外交官们留下了深刻印象。

There was an air of formality at the meeting that discouraged casual conversation.

(Chinese) 会议上有一种正式的氛围，使得大家不愿进行随意的交谈。