hear与listen to的区别?

Listen to与hear的区别 hear与listen to的区别? hear、listen、listen to的区别是什么? sound,hear,listen to,listen的区别 sound,listen to,hear,listen的区别? hear与listen的区别? listen to a concert 与 hear a concert的区别. hear,hear from,hear about,hear of,listen,listen to的区别和用法, hear和listen to的区别 坐等给好评,一定要讲清楚.listen,listen to与hear的用法区别 hear和listen的区别与用法 hear/listen/listen to的区别,请写上几个例句,