공감기억

in my case (O) in case of me (X) in case of someting in case of rain, ~

It's been in the back of my mind 마음 한구석에 남아 있다. A : Did you apologize to Mike after having that argument? B : Not yet, it's been in the back of my mind. but i don't know if he will accept my apology. A: Well, you should still try. Who knows? He might be waiting for your call.

Beats me! 전혀 모르겠다, 금시 초문이다. A: What time are we supposed to go to Ryan's house for dinner B: beats me, i thought we knew when we were supposed to go. A: I don't know either. Let's give him a call.

Celebrity endorsements means a celebrity publicly tells people in advertisements that it is a good product.