Usages of dongan
연휴 동안은 교환·환불이 지연될 수 있어요.yeonhyu donganeun gyohwan·hwanburi jiyeondoel su isseoyo.
During the holidays, exchanges and refunds can be delayed.
회의 동안 메모해요.hoeui dongan memohaeyo.
I take notes during the meeting.
Elon.io is an online learning platform
We have an entire course teaching Korean grammar and vocabulary.