Definition
Refers to something that is identical or a situation that is alike.
相同的事情
Although they use the same tools, their results are not the same thing.
雖然他們使用相同的工具，但他們的結果並不是一回事。
For him, love and infatuation are not the same thing.
對他來說，愛和迷戀並不是一回事。
Success and happiness are not always the same thing.
成功和幸福並不總是一回事。