It's our primal instinct and desire to be loved.

这是我们本能的释放以及我们渴望被爱。

youdao

Dressing each other is super intimate since it taps in to the primal instinct to “preen” your mate.

相互为对方穿衣服是超级亲密的，因为这个利用了象“动物用嘴整理配偶毛发”一样，装扮你爱人的原始本能。

youdao

It's like a fear of spiders or scorpions: a primal instinct which protects our best interests, even if we don't understand why.

它就像是对蜘蛛、蝎子的恐惧，是一种保护我们最佳利益的原始本能，即使我们并不清楚为什么。

youdao

As human beings, we have a primal instinct to instantaneously profile people, the weather, inanimate objects, and situations.

FORBES: Branding The (Un)Brand