Word: 差距 (chājù)

两队的差距正在缩小。

Liǎng duì de chājù zhèngzài suōxiǎo.

The gap between the two teams is narrowing.

我们的投资数额有好几倍的差距。

Wǒmen de tóuzī shù'é yǒu hǎo jǐbèi de chājù.

The amount we invest differs by several times.* (If anyone can think how to phrase this nicely in English, please share it in the comments!)

我和他的差距还很大。

Wǒ hé tā de chājù hái hěn dà.

The gap between him and me is still big.