YOU SAID:

I apologize for my lack of knowledge on this subject.

INTO JAPANESE

この件に関して私の知識不足についてお詫び申し上げます。

BACK INTO ENGLISH

I apologize for my lack of knowledge on this subject.

INTO JAPANESE

この件に関して私の知識不足についてお詫び申し上げます。

BACK INTO ENGLISH

I apologize for my lack of knowledge on this subject.