As silk garment is in great demand, we do not usually grant any discount unless you place an order for more than$50000.
由于丝绸服装大量需求，我们一般不给任何折扣，除非订购额超过50000美元。
I can offer you 50, but I can't go any further than that.
我可以付给你50英镑, 不能再多了.
`Any advance on 20?' called the auctioneer.
拍卖人喊道: '20英镑, 还有增加的吗?'
