The many different things a language can and must do are the sub

The many different things a language can and must do are the subject of Are Some Languages Better than Others?,a book from 2016 by R.M.W.Dixon of James Cook University in Australia. Mr. Dixon dispels old colonialist prejudices that European languages are sophisticated and indigenous ones primitive. Indeed, many of the most nuanced discriminations are required not by French or German but among isolated traditional communities.
A book about whether some languages are s______to others.
【正确答案】：superior