翻译下面的一段商务英语信函,注意使用正确规范的语言。 We would refer you to our captioned enquiry sent to you on the 22nd of June, which we trust must have long been in your possession, as up to date, we do not appear to have received any offer from you. We are at a loss to know whether the required commodity is suppliable now. We shall appreciate hearing from you at an early date.