Definition: a particular area, activity, or subject that someone controls or deals with Level: C1
花园是他的领域。
The garden is his ___domain.
这些信息应该在公共领域。
This information should be in the public ___domain.
在20世纪70年代末，石油生意是一个有利可图的领域。
In the late 1970s, the petrol and oil business was a profitable ___domain.
