comings and goings

基本解释

Some senior citizens along thestreet worry about the noise from the comings and goings of helicopters.
有些上了年紀的人擔心直陞機來來往往會産生太大的噪音。
It constantly refines itself, senses your comings and goings to adjust accordingly, and automatically turns itself off when you are away.
它能不斷改進自己，根據用戶的出入進行溫度調整；用戶外出時，它還能自動關閉。
And it is striking that in all the Nordic countries working women are heavily concentrated in the public sector, which finds it easier than many private firms to accommodate the comings and goings.
很讓人喫驚的是，在北歐國家，大量在職女性都集中在公共部門，由此可見，公共單位比私營企業更能接受請假和複職。

The Sechenov Morgue, a Czarist-era red brick building located across the street from a Moscow city hospital, saw constant comings and goings of family groups dressed in black.
Like Homer and like Virgil, Milton intends to soar above the wheeling poles of the visible world and describe the otherwise invisible comings and goings of the gods.
像荷馬和維吉爾那樣，彌爾頓想屹立於現實世界之上,去描繪無形世界中上帝的來來往往。
耶魯公開課 - 彌爾頓課程節選
Of course, the problem is, we're distracted by the comings and goings, the hurly burly of the ordinary everyday world.
但問題在於,在這個普通尋常的世界上,來往喧囂吸引了我們的注意力
耶魯公開課 - 死亡課程節選

Instead of recording genes themselves, SAGE records the comings and goings of certain messengers.
FORBES: Gene Mappers May Have Missed Half The Genes

Comings and goings refers to the way people keep arriving at and leaving a particular place.