翻译下列求职回复函: Dear Mr. Sun Dagang , Thank you for your application for the position of software engineer. At the moment no vacancy is available in the software development section of our company. But we would keep your resume handy, as you certainly have excellent qualification for the position you seek. You may be sure that we will get in touch with you at once if an opening occurs due to a staff expansion or a resignation. Yours sincerely ,