The "elective affinity" means the two do not cause each other, but they tend to vary together.

“选择性亲和”指的是此两者非因果关系，而是相互改变和相互改更。

The basic proposition of this essay is, using a term borrowed from Weber, that there is an elective affinity between the new times cooperation and the new state-society relationship.

本文的一个基本命题是：当代中国的农民合作与新型国家—社会关系的构建具有韦伯意义上的选择性亲和关系。