spend on=pay for还=什么
pay for 和spend on区别
spend on与 pay for 的区别
spend for .spend on .spend in doing.pay for 的区别及意思.
pay for take spend on cost 的用法及区别?
pay for和spend on可以互换吗
pay to sb.和pay for sb.和spend on sb.区别?
1.pay for sb/sth和spend.doing sth, spend.on sth的用法
take与pay for ,spend ,cost有什么区别?
cost、spend、take、pay for用法有什么区别?
如何区分 spend cost pay pay for?
spend on等于spend doing还等于什么
How mnch did you pay for these books?A.cost for B.spend on C