Sentence:  The difference is that the masters took the bare frame of a plot and filled it with their own world ; most modern adapters totally accept the world of a book , squeeze it dry of life , and <WSD>add</WSD> only one contribution of their own : 
Meaning of the word marked with <WSD> tags:  make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of