commonality

1. N-VAR Commonality is used to refer to a feature or purpose that is shared by two or more people or things. 共同点; 共同之处; 共性[正式] [oft N 'of' n]

We don't have the same commonality of interest. 我们没有利益共同点。

There are an amazing number of commonalities between the systems. 这些系统有大量共同之处。