One social group has one system. Some countries have four or five systems. Under each system, there are sub-levels. They are very fragmented.

一个群体一个制度，有的国家是四个制度，五个制度，每个制度下面还有小的制度，形成碎片化，法国是最典型的。

youdao

Each group was sub-divided different subgroups.

每组又分为不同的亚组。

youdao

This paper discusses the semigroups, each of whose sub-semigroups generated by single element is a group and some structural theorems of these semigroups are derived.

本研究每元生成的子半群成群的半群，得出这种半群的某些结构定理。

youdao

This quite apart from the fact that we can observe the culture fragmenting as it gets richer and thus what each sub-group considers to be a desirable positional good is different.

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