Engelsk samtale - level 6

I speak and understand well but still make mistakes and fail to make myself understood occasionally.
I possess a large vocabulary, but they are docile or passive
Can understand the main ideas of complex text on both concrete and abstract topics
Able to discussions in various field of specialisation
Can interact with a certain degree of fluency and spontaneity
Can produce clear, detailed text on a wide range of subjects and explain a viewpoint on a topical issue giving the advantages and disadvantages of various options