I apologize for not getting back to you sooner,...

來源: 於 2021-05-06 17:31:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Here are my suggestions:

..., but, regrettably, I have yet to fulfill my promise.

..., but, regrettably, I have yet to keep my word.

photography masterpiece(s)