Dear Mr. / Ms, Thank you for your letter No. A-3 of 6th May, offering us 6 UI-4 Viewdatas. We have passed it on to our Technical Department for their consideration. We shall reply as soon as possible. Yours faithfully 中文参考： 尊敬的先生/小姐： 谢谢您五月六日标号为A-3的来信，该信向我们提供6 UI-4图像数据。我们已把该信转给了技术部，备他们考虑。 我们将尽快回信。 你诚挚的