Campers and boat owners may not spend as much money on sightseeing or buying gifts as those tourists who stay at large hotels, but they are also a valuable part of the tourism business.

露营者和游艇拥有者不会像呆在大旅馆的旅游者那样花这么多的钱用于观光和购买礼品，但是它们也是旅游业的重要组成部分。

youdao

Operators and passengers alike can stay safe by wearing a life jacket at all times, and by forgoing alcohol consumption while on or operating a boat.

WHITEHOUSE: The White House