come in and go out

基本解释

Many trains come in and go out every hour.
每个小时都有很多火车进出。
9I am the gate; whoever enters through me will be saved. He will come in and go out, and find pasture.
我就是门，凡从我进来的，必然得救，并且出入得草吃。
I saw a lot of people come in and go out of his house. =I saw a lot of people coming in and going out of his house.
我看见很多人在他家进进出出。

"I saw all these ships waiting out there,I am guessing, waiting their turns to load and unload the cargo, so,I said,Why do the ships come into the harbor?" Why not have the harbor go out there and bring the goods in?'" Researchers describe the mobile harbor as a lean, light system for unloading container ships even if the coastal area is too shallow for them to dock.
Humility and power come from this religious engagement because from the best of our traditions to go out and engage in the world in a positive, constructive way.
谦卑和力量源于这一宗教融合,因为我们走出去，并以积极的,有建设性的方式融入世界的传统是好的。
普林斯顿公开课 - 人性课程节选
They're old enough now to go out to school and come in themselves.
她们已经长大了，可以自己去上学、然后自己回家。
妈妈亲手做的味道 - SpeakingMax英语口语达人

Any single fund, however well stewarded, is unlikely to stay as the top performer for all times as investing styles come in and go out of favor.
FORBES: Fidelity FundsNetwork Eases Free Fund Trade Rule