The combination of verb ending in -서 followed by 좋아요 renders the meaning [so and so happens] so it is good. In English this commonly expressed as I am glad that... or It is a good thing that...
This expression is often used in English conversation especially when an event happened which turns out to your favor. Below are some expressions that make use of this combination:
어머니가 오셔서 좋아요. (Eomoniga osyeoseo chuayo.) I'm glad that mother came.새 가방을 사서 좋아요. (Sae kabangeul saseo chuayo.) I'm glad I bought a new bag.선생님 더라와서 좋아요. (Seonsaengnim deorawaseo chuayo.) It's a good thing that Seonsaengnim came back.
당신이 이 것을 읽어서 좋아요 ^^
