Usages of guknaeseon
국제선과 국내선 비행기를 예약해 봤어요.gukjeseongwa guknaeseon bihaenggireul yeyakhae bwasseoyo.
I tried booking both international and domestic flights.
어제 국내선 비행기를 탔어요.eoje guknaeseon bihaenggireul tasseoyo.
I took a domestic flight yesterday.
Elon.io is an online learning platform
We have an entire course teaching Korean grammar and vocabulary.