Translation of "Huh" in Korean

Huh? How does that work?

네? 어떻게 가능하냐고요?

Yeah, every single one of them. Huh.

네, 하나도 빠짐없이요

- who writes about the history of beauty culture. - Huh.

글을 쓴 작가이자 교수야

- So, imagine each packet like a letter in an envelope. - Uh-huh.

각각의 꾸러미를 봉투에 든 편지라고 상상해 봐