take,coast,spent和pay的区别及用法

it takes sb. sometime to do sth/ it took me three hours to finish my homework yesterday. 昨天我花了三个小时才完成攻功课。
it takes sometime for sb to do sth /it took one hour for him to get to the zoo. 他花了一个小时才到达动物园。

sth.costs some money the computer costs 4500 yuan.这台电脑值 4500 元。
sth.costs sb. some money the computer cost me 4500 yuan。 这台电脑花了我4500 元

spend some money on sth. I spent 4500 yuan on the computer. 买这台电脑我花了4500 元。

spend some money in/on doing sth / I spent 4500 yuan in/on buying the computer. 我花了4500元买了这台电脑。

pay some money for sth. I paid 4599 yuan for the computer. 买这台电脑我付了 4500 元。

以上句型意思没多大区别，只是表达方式不一样。