a good teacher is one who can motivate his student.和 a good teacher can motivate his student.

问题描述:

a good teacher is one who can motivate his student.和 a good teacher can motivate his student.
有啥区别

意思上其实没多大差别,一个是主系表结构,一个是动宾结构.如果你在写作时,想要生动有变化,就需要使用不同的句型句式来表达.