I shall be pleased to make you a special allowance of$1,000 per case.
我同意贵公司的要求,每箱特别予以贴补1,000元。
Only for very special customer do we allow them a rate of10% discount.
只有对十分特殊的客户,我们才给予10%的折扣。
Please inform us what special offer you can make us based on a quantity of500 tons.
请告知在订购500吨的基础上贵公司能给多少特价优待。