由于两家商店距离很近，顾客经常在它们之间来回逛。

The ___propinquity of the two shops makes it convenient for customers to browse between them.

这两种文化之间的相似性表明它们可能有共同的祖先。

The ___propinquity between these two cultures suggests they may share common ancestors.

这两个节日的临近使得人们常常把它们混淆。

The ___propinquity of the two festivals often leads to confusion between them.