公平性的英文：
fairness

The referee must ensure that there is fair play.
裁判必须确定比赛的公平性。

They are going to the fair.
他们正在到集市上去。

Welcome you to the fair.
欢迎您到交易会来。

His knowledge of English is fair.
他的英语水平尚可。

hold a fair to raise money
举办义卖会筹款

The elections were free and fair.
选举是自由公正的。