head of 与 head about区别"听说"有head of和 head about 两个,有什么区别?两个 都是 "听说" 的意思!

head of 与 head about区别听说有head of和 head about 两个,有什么区别?两个 都是 听说 的意思! head of head head head HEAD head head head head head head head head head keep your head about a head of与 the head of区别a head of a large business company 与 the head of a large business company 区别? 10 head of cattle 为什么?10头牛 这里的head 理由是不是head与cattle 都是单复数同形?