【重点词汇与词组】 (1) 研究 study/consider/research n.(2) 报价 quotation n.(3) 要求 demand/requirement/request v.(4) 计算 calculation/computation n.(5) 有助于 contribute to/promote v.(6) 折扣 discount n.(7) 起定量minimum order/quantity n.(8) 条件 condition n.(9) 可接受的 acceptable/accessible a.【参考译文】Dear Sir:We have acknowledged your letter dated March 20th. We have considered your opinion about our quotation for socks.We would like to meet your requirements. However, we regret that we couldn’t reduce the price as your request, because we set the price by careful calculation. Although the price is different from those of other supplies, that is because the quality is far more better than those of other foreign brands. If you purchase it from us, you can make a profit. (It is profitable to buy it from us.)However, to promote the development of your business in this line, we will offer you 5% discount, on condition that the minimum quantity of your order is 5000 pairs. If the suggestion is acceptable, please inform us the quantity of your order early.