This is the 17305th most frequent Korean word.
선내에는
"선내에는" means "inside the ship" in English.
The word '선내에는' indicates 'inside the ship' and the topic marker emphasizes what is within it.
선내에는 다양한 편의 시설이 있습니다.
There are various amenities inside the ship.
Here, '선내에는' refers to the location where the action of wearing life jackets is required.
선내에는 모두 구명조끼를 착용해야 합니다.
Everyone must wear life jackets inside the ship.
In this sentence, '선내에는' designates the prohibited area for the action of bringing food.