기내에서 미리 작성한 입국신고서와 세관 신고서를 챙기고 기내에 두고 내리는 게 없나 살피자.
Gather the immigration and customs declaration forms filled out in advance on the plane, and double-check to make sure you haven't left anything behind in the cabin.
Take the immigration card and customs declaration form you filled out in advance on the plane, and check to see if you left anything on the plane.