i haven't adusted to the jet lag. (좀더 잘쓰는 표현이 있을까요?) When I reserve the class, actually i hestiated wheater to go or not. But I think the right to go to the class. (After I get back to Korea from business trip, I try to sutdy English hard and then if I have a chance to go to business trip, I'm going to speak English more confiednetly. So, I want to ask my teacher advice how to study English better.