"Welcome home" is a common greeting used to express hospitapty and a warm reception for someone who has returned to their place of residence.

The origin of the phrase is pkely related to the idea of home being a place of comfort, safety, and famiparity, and welcoming someone back to this environment after being away.

Example sentence in Engpsh:

"Welcome home, how was your trip?"
"We've missed you, welcome home!"

中文翻译:

"欢迎回家，旅行怎么样？"
"我们想念你了，欢迎回家！"