while,but和whereas三个词怎么区别?

问题描述:

while,but和whereas三个词怎么区别?

but是这三个连词最普通的一个,它可以连接两个并列成分或两个并列分句,意为“但是,然而”.如:Mary likes classical music but her husband likes rock music. 但在使用时要注意:but不能与though/although连用.其次b...