讲解一下这几个词的用法和区别

应该说当这四个词均作花费讲时，pay和spend通常都是人做主语，take,cost通常是物作主语

pay+money+for+sth.

为某物支付多少钱

spend…on+sth在某物上花费…

spend…(in) doing sth做某事花费多少时间

如：I paid 5 yuan for the card

I spend 3 hour on my homework last night

I spent an hour (in) reading

I spend 15 yuan on the book

The book cost me 15 yuan

take通常用来……花费了多少时间，通常有以下句型

It takes/took sb +一段时间＋to do sth

比如：It took me three hours to find your home.

cost 表示“花钱，付出代价”
比如： The chair costed me 40yuan.

Dangerous driving could cost you your life.开车不注意安全有生命危险。

pay和spend都是人做主语，take,cost是物作主语

pay+money+for+sth.

为某物支付多少钱

spend…on+sth在某物上花费…

spend…(in) doing sth做某事花费多少时间

如：I paid 5 yuan for the card

I spend 3 hour on my homework last night

I spent an hour (in) reading

I spend 15 yuan on the book