Complete the following statements with proper words or expressions according to the course book.Observation shows that it is much more common for word meanings to change in denotation from ( ) to pejorative than it is for them to go the other way.
【正确答案】：NEUTRAL
【题目解析】：观察表明，词义在外延上由中性向贬义转变的现象比相反的情况更为普遍。
