spend , pay 与take之间的区别

spend的用法:sb. spend 一段时间 (in) doing sth.
sb. spend 钱 on sth.
例如: l spend an hour (in) reading a book.
l spend ten yuan on this book.
pay的用法:sb.pay 钱 for sth.
例如:l pay ten yuan for this book.
take的用法:lt takes sb. some time to do sth.
例如:lt takes me an hour to go to school.

你应该去查下英英字典，容易理解同义词的用法。
下面说说我的理解吧
SPEND是花钱，花费的意思，PAY是付款的意思，TAKE是要买的意思。