translate these sentences into Chinese. We regret that the goods you inquire about are not available. Please let us know you lowest possible prices for the relevant goods. How long does it usually take you to make delivery? We are thinking of getting a supply of Chinese tea. Please send your best offer by cable indicating origin , packing , quantity available and the earliest time of shipment. If your price is reasonable , quality satisfactory and delivery acceptable, we will send you large orders. Translate the following letter. 敬启者: 感谢你方寄来的商品目录,我们目前对你方的运动鞋感兴趣,如能报我方(青岛) 1000 双成本加保费和运费的最低价,当十分感谢。 如果价格合理且具有竞争性,我们拟向你方大量订购。 谨上