牛津电影里 100%
(尤用作感叹词,表示认为行动、决定等可以接受)彼此都要公平,应该公正才是
used, especially as an exclamation, to say that you think that an action, decision, etc. is acceptable and appropriate because it means that everyone will be treated fairly
Well, as I say, I don't expect you to buy without seeing, but fair's fair.
释义来自《牛津高阶英汉双解词典》第 9 版