英语中的"花费"

有固定搭配的,若是做选择题或者是改句子很有用:

spend...on...
eg: I spend 5 yuan on this book.我花了5元在这本书上.

pay for 代表支付.例如一些交易等.

cost一般没有什么搭配的词语.指花费了多少.
eg: How much do you cost?

spend是讲一个人花钱
cost是讲物品花掉了人多少钱
pay是支付这个动作

I spend one thousand dollars on these items
These items cost me one thousand dollars
I pay one thousand dollars on these items
I receive a pay of one thousand dollars today

1.sb. spend/pay 2.sth. cost