为什么既有call sb up也有call up sb?是pass on sth还是pass sth on?

为什么既有call sb up也有call up sb?是pass on sth还是pass sth on? pass sth to sb还是pass sth on to sb 是pass sth on to sb 还是pass on sth to sb pass sth on to sb call sb on与call sb up有什么区别 还有call sth after以……命名,相当于name sth call up sb doing sth还是to do sth? pass sth on to sb还是pass on sth to sb? pass on 与pass 区别 Pass sth.to sb.=Pass sth.on to sb.为什么?二者意思一 pass on sth to sb和pass sth on to sb 有什么不同 关于pass on sth to sb call on sb to do sth pass sth.to sb 与pass on 的区别是什么