Beijing's courtyard there is a hierarchy, is the patriarchal system.
北京的四合院是有等级的，是家长制的。
It was the extension of the patriarchal system to the entire nation.
这是延长了家长制，以整个国家。
This was necessary to keep up the patriarchal system and to provide for ancestral worship in after years.
这是需要保留了家长制，并提供祭祖，在经过多年。
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