我们的收入有一定的差距。

Wǒmen de shōurù yǒu yídìng de chājù.

There’s a certain gap in our incomes.

这次比赛中选手之间的实力差距很明显。

Zhè cì bǐsài zhōng xuǎnshǒu zhījiān de shílì chājù hěn míngxiǎn.

The gap in strength between the players in this competition is evident.

这两个城市的发展差距很大。

Zhè liǎng gè chéngshì de fāzhǎn chājù hěn dà.

There is a big development gap between these two cities.