buy me flowers off a poor girl 这句中buy sb sth,后面为什么有off表示什么?

buy me flowers off a poor girl 这句中buy sb sth,后面为什么有off表示什么? buy sth 什么 sb? buy sth to sb与 buy sth for sb有什么区别吗 buy sth for sb 与 buy sth to sb 到底有什么区别 buy sb sth.造句 buy sth.for sb. buy sth for sb. buy sth 后面是跟to sb还是for sb? put sb off doing sth什么意思? buy sb sth=buy sth for buy sb sth 等于buy sth__ sb buy 有没有双宾结构 buy sb sth