take a plane和by plane和 by air 区别

问题描述:

take a plane和by plane和 by air 区别

这三个短语都表示:乘飞机.
take a plane 是动词短语.而by plane = by air,是介词短语,他们可以相互转换.比如:
He takes a plane to Beijing.=
He goes to Beijing by plane/air.