pay for pay on的区别如题

pay for pay on的区别如题 pay off/back/for/on的区别 spend on与 pay for 的区别 pay for 和pay back的区别? pay off与pay for的区别 pay for 和pay of的区别 pay for 和 cost的区别?如题. 为什么是pay for it 不是pay it for 呢,put it on 就可以,还有pay for 和pay 的区别是什么 pay for 和spend on区别 pay ……for 和pay for的区别 pay on installment和pay in installment的区别? pay for sb和pay sb的区别 purchase for 和pay for 的区别? pay..for,spend,cost的区别是什么? pay,pay for he pay his hotel hill为什么下面的是错的he pay for his hotel hillpay,pay for 什么区别那么 i pay 5yuan for the book 其中的 pay for 也是偿还意思么 pay,pay for,pay back,pay off,pay back for的用法 pay...for和pay for的区别说明原因!有什么区别就行了! pay 和pay for 的异同?