abbr. 自动号码识别（=automatic number identification ）
As silk garment is in great demand, we do not usually grant any discount unless you place an order for more than$50000.
I can offer you 50, but I can't go any further than that.
`Any advance on 20?' called the auctioneer.
He's prepared to pay 2500 for the car but I don't think he'll go any higher.