251. We’d like to ask for a reduction in price because of the big size of our order.

鉴于我方的定货量很大，希望能降价。

252. Since the present market is so weak, you’ll have to lower your price if you want us to increase sales.

由于目前的市场不那么景气，如果贵方需要我方增加销售量的话，就必须降价。

253. We hope to get your best offer for bicycles.

希望贵方能报自行车的最低价。

254. We invite quotation of the lowest price.

我们恳请报出最低价。

255. May we suggest that you could perhaps make some allowance on your quoted prices?

我们能建议贵方对所报价格打些折扣吗?