be valuable for sb对吗

be valuable for sb对吗 valuable是BE VALUABLE TO 还是FOR be of value to sb 那be valuable to sb be of value to sb 那be valuable to sb be sth for sb be vailable for sb. be true for sb. be down for sb be happy to sb对吗 be useful to sb还是for sb? be embarrassing to sb还是for sb? be important to sb还是for sb be rude to sb还是for sb be left for sb to 意思是：对……有价值比如是be valuable to the world还是be valuable for sth world? sb be made laugh结构对吗 borrow sb sth=borrow sth for sb 对吗 be important to sb.还是be important for sb.区别?