pay for1为…付钱 2 赔偿 3 因…受罚〔痛苦〕; 为…付出代价 4 替某人付款
例句：
1. Right, I'll pay for the food and you pay for the drinks.
好吧,我付饭菜钱,你付酒水.
2. pay three dollars for a hamburger; pay an hour`s wage
花三美元买了一个汉堡包；支付一小时的工酬
3. We is pay for the computer by pay instalment of 50 a month.
我们以每月50英镑分期付款支付这台计算机.
pay for 是为某物花了--钱,pay to 指做什么事,也可跟名词.
buy something for some money用多少钱买了sth
eg:I bought the coat for 50 yuan last night.
pay some money for sth为STH付多少钱
eg:I paid 50 yuan for the coat last night.
pay for the computer 是可以的,但是pay the computer for money就不行
pay for1为…付钱 2 赔偿 3 因…受罚〔痛苦〕; 为…付出代价 4 替某人付款
例句：
1. Right, I'll pay for the food and you pay for the drinks.
好吧,我付饭菜钱,你付酒水.
2. pay three dollars for a hamburger; pay an hour`s wage
花三美元买了一个汉堡包；支付一小时的工酬
3. We is pay for the computer by pay instalment of 50 a month.
我们以每月50英镑分期付款支付这台计算机.