词性部分1.名词的词性转换：-ion suggestion，action，reaction, solution, permission-ation invitation, imagination, operation, application, explanation-ment argument, equipment, employment, agreement, arrangement, amusement-enceance evidence , confidence, existence, difference, importance, appearance-y honesty, difficulty, poverty, reality, variety,-er reader ruler manager, follower,-or operator actor-ee employee trainee-th growth truth depth-ness happiness, illness, sickness, goodness
