So the hierarchy is rooted on two ideas.

所以有两点基本的等级原则。

However, despite earning a lucrative salary every year, Graeme is still firmly rooted in his home town of Portrush on the north coast of Northern Ireland.

然而，尽管格雷姆每年都能获得丰厚的奖金，但是他仍然深深扎根于他的家乡，北爱尔兰北海岸的波特拉什。