Usages of de
지하철에서는 인터넷 연결이 잘 안 되는 데가 있어.jihacheoreseoneun inteones yeongyeori jal an doeneun dega isseo.
On the subway, there are places where the internet connection doesn’t work well.
시끄러워서 조용한 데로 가요.sikkeureowoseo joyonghan dero gayo.
It’s noisy, so I go to a quiet place.
Elon.io is an online learning platform
We have an entire course teaching Korean grammar and vocabulary.