这是一种温暖的亲密感。

There is a warm sense of ___closeness.

我不喜欢地铁高峰期的拥挤，因为人与人之间的近距离让我感到不适。

I dislike the ___closeness of people during rush hour on the subway because it makes me uncomfortable.

多年的友谊在他们之间建立了一种特殊的亲密感。

Years of friendship have built a special ___closeness between them.

他们的设计理念如此接近，几乎看不出区别。

The ___closeness of their design concepts made them nearly indistinguishable.