据说许多双胞胎之间存在一种特殊的亲密关系。

A special ___closeness exists between many twins.

他们友谊的亲密程度有时会将其他人排除在外。

The ___closeness of their friendship sometimes excluded others.

他们的商业伙伴关系因其个人的亲密情谊和相互尊重而蓬勃发展。

Their business partnership thrived due to their personal ___closeness and mutual respect.