This is the 8652nd most frequent Korean word.
가입은
"가입은" means "subscription" or "registration" in English.
In this sentence, '가입은' is used to mark 'subscription' as the topic and emphasizes its characteristic being simple.
이 서비스의 가입은 아주 간단합니다.
The subscription to this service is very simple.
Here, '가입은' introduces the concept of subscription and indicates its optional nature.
가입은 선택 사항입니다.
Subscription is optional.
In this context, '가입은' highlights the membership aspect of the company, centering its benefits.