When a product is marketed to an international audience,however, in most cases an advertising campaign that is effective with a domestic audience will not be as effective in another country.

ybm 영어독해와 작문 5과 본문입니다

문장끝날때쯤에 있는 as의 쓰임을 모르겠습니다
as~as 구문이라면 생략된부분은 무엇인지 궁금합니다

부탁드립니다~