have never left：從未離開過。
In the last few years I have never left my bed.
在過去的幾年中，我從未離開過病榻。
Many of us have previously never left
their villages before.
我們中的許多人以前甚至從未離開過自己的家鄉。
I had never left the country.
我從沒離開過這個國家。
You should never have left home.
你根本不應該離開家的。