It is really unfair that every face are different.
It is unfair that there is a huge gap between the rich and the poor.
unfair (形)：不公平な
It is really unfair that every face are different.：全ての顔が異なっているのはとても不公平です
It is unfair that there are huge gap between the rich and the poor.：金持ちと貧乏人の間に差があるのはとても不公平です
It is unfair that ~ : ~というのは不公平
この形で応用できます！
日本 
