greener pastures
A place or thing that is an improvement on one's current situation. I liked my job here, but it just didn't pay enough, so I had to go to greener pastures.
greener pastures
People talk about greener pastures to mean a better life or situation than the one they are in now. A lot of nurses seek greener pastures overseas. They moved around for years, sometimes even leaving the state for what they thought would be greener pastures.