thematize       
verb [ T ]  formal (UK usually thematise) uk/ˈθiː.mə.taɪz/ us/ˈθiː.mə.taɪz/
 主题化,专门论述某个观点
to mention or discuss a particular subject or idea
  Marx doesn’t thematize this issue explicitly at this point in the text. 行文至此,马克思尚未明确地将这个问题主题化。 
 - More examples
 - Those passages in other texts that thematize the same problems will serve as the starting point for my interpretation.
 - It was one of the first statements to thematize cyberpunk's generic characteristics.
 - Friedrich Nietzsche was the most prominent philosopher to thematise the metropolis in the late nineteenth century as a space that no longer provided a home for the city dwellers.
 - Donizetti's 1837 opera Roberto Devereux thematises issues of privacy and concealment.