30-Minute Business Korean🤝 Day 24 ' 그 동안 안녕하셨어요?' : 거래처와 안부묻기 naturally greeting

30-Minute Business Korean 🤝 Day 23 ' 바꿔 줄 수 있으십니까?' : 전화 통화 - 용건 말하기 Phone Calls - Stating Your Purpose

30-Minute Business Korean Day21 부재중이십니다~ : Answering the phone - When you receive a call late

30-Minute Business Korean _Day1 : 자기소개