pay 的具体用法

pay
[peI]
vt., vi.
paid, paying
(1)
付（款）；支付；缴纳
He paid ￡5 for the book.
他买这本书花了五英镑。
"I'd like to pay by cheque, please."
我想用支票支付。
I paid $150 for that walki-lookie.
我花了一百五十美元买了那台轻便电视摄影机。
"The international corporation paid $50,000 for the firm, and $2,000 for its goodwill."
"这家跨国公司用五万美元买下了这家商号,两千美元买下了它的信誉。"
(2)
付清（账单、债务）
Can you lend me some money - I can pay you back tomorrow.
你能借给我点儿钱吗？我明天就可以还给你。
Have I paid you back the $20 you lent me?
你借给我的二十美元我还给你了吗?
Have you paid the electricity bill for the last month yet?
你缴了上个月的电费了吗?
(3)
生利；有…收益；值得（麻烦）；合算
It pays me to keep that stock.
持有那种股票对我有利。
It will pay to read a dictionary if you have time.
"如果你有时间,翻翻词典是值得的。"
It will pay in the long run if the setting off of firecrackers is effectively banned in the cit