A globetrotter is
A person who travels to different countries
Sustainable tourism is
It takes into account the needs of the tourists but tries to reduce the negative effects of tourism, to preserve the culture and help the economy of the locals
An idiom is
a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own:
The ship made the 4,000-kilometre ... across the Atlantic. a) trip b) journey c) voyage
voyage
