여러 가지 이유나 항목 중에서 첫 번째 것을 언급할 때 사용함.
Used to introduce the first item in a series of points, reasons, or arguments.
예문:
"Firstly, the proposal is too expensive, and secondly, it lacks public support."
"Firstly, I would like to thank everyone for attending this seminar."
어떤 일의 시작 단계에서 또는 처음에.
At the beginning or in the initial stage; initially.
예문:
"The software was firstly designed for internal use only."
"Firstly, the project seemed impossible, but we eventually found a solution."