 Nevertheless , 个 has not completely replaced other count @-@ classifiers , and there are still many situations in which it would be inappropriate to substitute it for the required specific classifier . There may be specific patterns behind which classifier @-@ noun pairs may be " neutralized " to use the general classifier , and which may not . Specifically , words that are most prototypical for their categories , such as paper for the category of nouns taking the " flat / square " classifier 张 ( 張 ) zhāng , may be less likely to be said with a general classifier . 
