I think this is the best lecture ever!!! I've taken many lectures, but I think this is the first time I've learned as much and been helped as much by Professor Park Jo-eun's lecture! There are times when I get confused by grammar rules and think, "Hmm... why is that like that?", but after the teacher explains the concept, she would say on the video, "There are many people who ask, "Why isn't this grammar rule valid?" and she would answer my questions exactly as they were. I remember being so surprised every time I took the class. ㅋㅋㅋㅋ It was a really helpful class, and the class on analyzing stock data was so fun that I finished all the lectures in less than a month! All of you who are thinking about it, you won't regret your choice! If you are thinking about it, sign up for Professor Park Jo-eun's lecture right away!!!! 5 stars!