cease doing/to do的區別

cease to do　 長時間，甚至永遠停做某事。

cease doing　 短時停止做某事，以後還會接著做。

That department has ceased to exist forever.

那個部門已不複存在。

The girls ceased chatting for a moment when their teacher passed by.

姑娘們在老師走過時，停了會聊天。