spend to do 和spend for sth 有何区别?

spend to do 和spend for sth 有何区别? spend time in doing sth 和spend time to do sth有什么区别? spend to do和spend doing有什么区别呀? spend sometime to do sth 和 spend sometime doing sth 的区别 spend somtime to do sth 和spend sometime doing sth什么区别 spend doing sth.和 spend on sth.有什么区别? spend与pay...for有何区别 spend to do 和 spend doing的区别 不要复制! spend to do 和 spend doing的区别 spend on和spend for有什么区别? spend an hour doing sth.和spend an hour to do sth.哪个对? spend sth to do sth对吗