1. 병렬, 등가 또는 관계 선택
And, both ... and, as well as, together with, neither…or ... nor, also, not only ... but also, either ... or;
2. 전환 관계 표시
But, yet, however, nevertheless (하지만), in spite of, although, otherwise, while, after all.
3. 대비 관계 표시On the contrary, instead of, on one hand…on the other hand, just like, unlike, in the same way, at the same time
4. 인과 관계 표시
So, for, therefore, as a result (of), because, owing to, due to, thanks to, on account (이유) of ..