表达 “a home from home” 用来表示 “一个让你非常舒适自在的地方，在这里可以感受到像在自己家里时那样的安逸”。

例句
I’m really grateful that you gave me a place to stay. You’ve made me feel really welcome – it’s been like a home from home.
实在太感激你给了我一个落脚的地方。你让我有宾至如归的感觉，就像在自己家里那样舒适。

She really loves her office. She says it’s like a home from home.
她真的很喜欢她的办公室。她说在这里就像在家里一样舒适。

My husband is my everything. Everywhere we are together is a home from home for me.
丈夫是我的一切。对于我来说，只要我俩在一起，任何地方都像是一个温馨的家。