This section of the site has been in constant evolution since.
Until the 19th century there was little change to those arrangements, but there has since been a constant evolution of role and function.
It's a constant evolution until one gets to the stage.
It also underwent a process of constant ideological evolution.
To keep on top of fashion's constant evolution, the top executives travel the world four or five times a year.
During this long trajectory his style has undergone a constant evolution.
Little changed until the 19th century after which each system experienced a constant evolution of organisation and function.
The history of the company was filled with constant evolution.
"Historically, water rights are a constant evolution, and recreation is just now beginning to find its way into our water law."
Club and county cricket in England has undergone constant evolution.