Đâu là sự khác biệt giữa ground floor và ground level ?Hãy thoải mái đưa ra các câu ví dụ nhé.

Use "ground floor" when talking about the G in an elevator. As @LadyDisdain pointed out, "ground level" is only used in specific cases.

Note that in America, they don't have "ground floor," but rather they have:

British | American
3 | 4
2 | 3
1 | 2
G | 1
-1 | - 1
-2 | -2

So be mindful of who you are talking to when someone says it's "on the first floor." Everyone will understand what you mean when you say "ground floor" though. In Australia, there's this confusing mix of a British foundation, but high amounts of American influence from the 1980s and so people use both and it can be confusing.