Well, I'm sorry that I didn't contact you in the past two days, because I was recently traveling abroad to take cultural materials. For some reasons, I couldn't reply. I will definitely inform you of the contact information in a few day
(嗯,很抱歉这两天没有联系你,因为我最近正在外地旅游考差文化取材,有些原因无法回复,两天后我一定将联系方式告知于您)