Korean phrase
좀 더 자세히 설명드리면 ~. chom teo cha se hi seol myeong deu ri myeon ~
Meaning
to explain in a little more detail, ___
When to use it
This is a polite preface for giving more detail. It often introduces an additional reason or explanation and has a somewhat formal tone.
Example dialogue
이 옵션이 왜 다른가요? i op ssyeo ni wae ta reun ga yo
Why is this option different?
좀 더 자세히 설명드리면 배송비와 세금 때문에 그렇습니다. chom teo cha se hi seol myeong deu ri myeon pae song bi wa se geum ttae mu ne keu reo sseum ni da
To explain in a little more detail, it is because of shipping costs and taxes.