例句與造句

1. There are four roles in general : the male , the female , the " painted face " , and the clown , which are further classified by age and profession
   京劇里一般有四類角色：生、旦、凈、丑，這其中還可以按年齡和職業細分。
2. It's difficult to find classify by age in a sentence. 用classify by age造句挺難的